Home / 588,821,444.46-812,573,721.30-320,897,340.39

Finding the Fourth Proportional to 588,821,444.46, 812,573,721.30 and 320,897,340.39

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Solution

The fourth proportional to 588,821,444.46, 812,573,721.30 and 320,897,340.39 is: 442,838,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,821,444.46 : 812,573,721.30 = 320,897,340.39 : x
  2. Step 2: Convert to fraction form
    588,821,444.46/812,573,721.30 = 320,897,340.39/x
  3. Step 3: Cross multiply
    588,821,444.46x = 812,573,721.30 × 320,897,340.39
  4. Step 4: Simplify right side
    588,821,444.46x = 260,752,746,035,975,072
  5. Step 5: Solve for x
    x = 260,752,746,035,975,072/588,821,444.46
  6. Step 6: Final answer
    x = 442,838,399.47

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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.