Home / 517,240,065,314.10-775,860,097,971.15-305,656,822,254.90

Finding the Fourth Proportional to 517,240,065,314.10, 775,860,097,971.15 and 305,656,822,254.90

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Solution

The fourth proportional to 517,240,065,314.10, 775,860,097,971.15 and 305,656,822,254.90 is: 458,485,233,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,240,065,314.10 : 775,860,097,971.15 = 305,656,822,254.90 : x
  2. Step 2: Convert to fraction form
    517,240,065,314.10/775,860,097,971.15 = 305,656,822,254.90/x
  3. Step 3: Cross multiply
    517,240,065,314.10x = 775,860,097,971.15 × 305,656,822,254.90
  4. Step 4: Simplify right side
    517,240,065,314.10x = 237,146,932,060,237,120,667,648
  5. Step 5: Solve for x
    x = 237,146,932,060,237,120,667,648/517,240,065,314.10
  6. Step 6: Final answer
    x = 458,485,233,382.35

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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.