Home / 510,208,271.99-704,109,712.25-287,204,343.47

Finding the Fourth Proportional to 510,208,271.99, 704,109,712.25 and 287,204,343.47

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Solution

The fourth proportional to 510,208,271.99, 704,109,712.25 and 287,204,343.47 is: 396,354,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,208,271.99 : 704,109,712.25 = 287,204,343.47 : x
  2. Step 2: Convert to fraction form
    510,208,271.99/704,109,712.25 = 287,204,343.47/x
  3. Step 3: Cross multiply
    510,208,271.99x = 704,109,712.25 × 287,204,343.47
  4. Step 4: Simplify right side
    510,208,271.99x = 202,223,367,635,838,496
  5. Step 5: Solve for x
    x = 202,223,367,635,838,496/510,208,271.99
  6. Step 6: Final answer
    x = 396,354,545.27

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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.