Home / 517,240,064,736.60-775,860,097,104.95-305,656,821,677.40

Finding the Fourth Proportional to 517,240,064,736.60, 775,860,097,104.95 and 305,656,821,677.40

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Solution

The fourth proportional to 517,240,064,736.60, 775,860,097,104.95 and 305,656,821,677.40 is: 458,485,232,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,240,064,736.60 : 775,860,097,104.95 = 305,656,821,677.40 : x
  2. Step 2: Convert to fraction form
    517,240,064,736.60/775,860,097,104.95 = 305,656,821,677.40/x
  3. Step 3: Cross multiply
    517,240,064,736.60x = 775,860,097,104.95 × 305,656,821,677.40
  4. Step 4: Simplify right side
    517,240,064,736.60x = 237,146,931,347,417,940,885,504
  5. Step 5: Solve for x
    x = 237,146,931,347,417,940,885,504/517,240,064,736.60
  6. Step 6: Final answer
    x = 458,485,232,516.13

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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.