Home / 357,834,998.10-536,437,569.15-242,445,378.90

Finding the Fourth Proportional to 357,834,998.10, 536,437,569.15 and 242,445,378.90

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Solution

The fourth proportional to 357,834,998.10, 536,437,569.15 and 242,445,378.90 is: 363,454,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,834,998.10 : 536,437,569.15 = 242,445,378.90 : x
  2. Step 2: Convert to fraction form
    357,834,998.10/536,437,569.15 = 242,445,378.90/x
  3. Step 3: Cross multiply
    357,834,998.10x = 536,437,569.15 × 242,445,378.90
  4. Step 4: Simplify right side
    357,834,998.10x = 130,056,809,708,766,704
  5. Step 5: Solve for x
    x = 130,056,809,708,766,704/357,834,998.10
  6. Step 6: Final answer
    x = 363,454,693.92

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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.