Home / 874,192,316.40-1,206,454,166.28-497,864,817.36

Finding the Fourth Proportional to 874,192,316.40, 1,206,454,166.28 and 497,864,817.36

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Solution

The fourth proportional to 874,192,316.40, 1,206,454,166.28 and 497,864,817.36 is: 687,092,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,192,316.40 : 1,206,454,166.28 = 497,864,817.36 : x
  2. Step 2: Convert to fraction form
    874,192,316.40/1,206,454,166.28 = 497,864,817.36/x
  3. Step 3: Cross multiply
    874,192,316.40x = 1,206,454,166.28 × 497,864,817.36
  4. Step 4: Simplify right side
    874,192,316.40x = 600,651,083,148,203,264
  5. Step 5: Solve for x
    x = 600,651,083,148,203,264/874,192,316.40
  6. Step 6: Final answer
    x = 687,092,613.24

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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.