Home / 461,522,784.15-636,901,149.56-252,678,871.44

Finding the Fourth Proportional to 461,522,784.15, 636,901,149.56 and 252,678,871.44

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Solution

The fourth proportional to 461,522,784.15, 636,901,149.56 and 252,678,871.44 is: 348,696,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,522,784.15 : 636,901,149.56 = 252,678,871.44 : x
  2. Step 2: Convert to fraction form
    461,522,784.15/636,901,149.56 = 252,678,871.44/x
  3. Step 3: Cross multiply
    461,522,784.15x = 636,901,149.56 × 252,678,871.44
  4. Step 4: Simplify right side
    461,522,784.15x = 160,931,463,688,396,032
  5. Step 5: Solve for x
    x = 160,931,463,688,396,032/461,522,784.15
  6. Step 6: Final answer
    x = 348,696,682.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.