Home / 517,240,065,279.60-775,860,097,919.40-305,656,822,220.40

Finding the Fourth Proportional to 517,240,065,279.60, 775,860,097,919.40 and 305,656,822,220.40

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Solution

The fourth proportional to 517,240,065,279.60, 775,860,097,919.40 and 305,656,822,220.40 is: 458,485,233,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,240,065,279.60 : 775,860,097,919.40 = 305,656,822,220.40 : x
  2. Step 2: Convert to fraction form
    517,240,065,279.60/775,860,097,919.40 = 305,656,822,220.40/x
  3. Step 3: Cross multiply
    517,240,065,279.60x = 775,860,097,919.40 × 305,656,822,220.40
  4. Step 4: Simplify right side
    517,240,065,279.60x = 237,146,932,017,652,217,937,920
  5. Step 5: Solve for x
    x = 237,146,932,017,652,217,937,920/517,240,065,279.60
  6. Step 6: Final answer
    x = 458,485,233,330.60

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Double scale
Find fourth proportional to 517,240,065,280.60, 775,860,097,920.90 and 305,656,822,221.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.