Home / 415,807,340.40-623,711,010.60-396,675,464.40

Finding the Fourth Proportional to 415,807,340.40, 623,711,010.60 and 396,675,464.40

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Solution

The fourth proportional to 415,807,340.40, 623,711,010.60 and 396,675,464.40 is: 595,013,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,807,340.40 : 623,711,010.60 = 396,675,464.40 : x
  2. Step 2: Convert to fraction form
    415,807,340.40/623,711,010.60 = 396,675,464.40/x
  3. Step 3: Cross multiply
    415,807,340.40x = 623,711,010.60 × 396,675,464.40
  4. Step 4: Simplify right side
    415,807,340.40x = 247,410,854,781,148,320
  5. Step 5: Solve for x
    x = 247,410,854,781,148,320/415,807,340.40
  6. Step 6: Final answer
    x = 595,013,196.60

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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.