Home / 538,841,720.80-808,262,581.20-484,315,874.20

Finding the Fourth Proportional to 538,841,720.80, 808,262,581.20 and 484,315,874.20

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Solution

The fourth proportional to 538,841,720.80, 808,262,581.20 and 484,315,874.20 is: 726,473,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,841,720.80 : 808,262,581.20 = 484,315,874.20 : x
  2. Step 2: Convert to fraction form
    538,841,720.80/808,262,581.20 = 484,315,874.20/x
  3. Step 3: Cross multiply
    538,841,720.80x = 808,262,581.20 × 484,315,874.20
  4. Step 4: Simplify right side
    538,841,720.80x = 391,454,398,597,026,496
  5. Step 5: Solve for x
    x = 391,454,398,597,026,496/538,841,720.80
  6. Step 6: Final answer
    x = 726,473,811.30

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1.5x scale

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.