Home / 472,398,511.05-708,597,766.58-424,781,397.45

Finding the Fourth Proportional to 472,398,511.05, 708,597,766.58 and 424,781,397.45

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Solution

The fourth proportional to 472,398,511.05, 708,597,766.58 and 424,781,397.45 is: 637,172,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,398,511.05 : 708,597,766.58 = 424,781,397.45 : x
  2. Step 2: Convert to fraction form
    472,398,511.05/708,597,766.58 = 424,781,397.45/x
  3. Step 3: Cross multiply
    472,398,511.05x = 708,597,766.58 × 424,781,397.45
  4. Step 4: Simplify right side
    472,398,511.05x = 300,999,149,515,677,440
  5. Step 5: Solve for x
    x = 300,999,149,515,677,440/472,398,511.05
  6. Step 6: Final answer
    x = 637,172,096.18

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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.