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Finding the Fourth Proportional to 538,841,714.80, 808,262,572.20 and 484,315,868.20

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Solution

The fourth proportional to 538,841,714.80, 808,262,572.20 and 484,315,868.20 is: 726,473,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,841,714.80 : 808,262,572.20 = 484,315,868.20 : x
  2. Step 2: Convert to fraction form
    538,841,714.80/808,262,572.20 = 484,315,868.20/x
  3. Step 3: Cross multiply
    538,841,714.80x = 808,262,572.20 × 484,315,868.20
  4. Step 4: Simplify right side
    538,841,714.80x = 391,454,389,388,608,192
  5. Step 5: Solve for x
    x = 391,454,389,388,608,192/538,841,714.80
  6. Step 6: Final answer
    x = 726,473,802.30

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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.