Home / 488,851,563.88-674,601,705.48-268,834,989.88

Finding the Fourth Proportional to 488,851,563.88, 674,601,705.48 and 268,834,989.88

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Solution

The fourth proportional to 488,851,563.88, 674,601,705.48 and 268,834,989.88 is: 370,984,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,851,563.88 : 674,601,705.48 = 268,834,989.88 : x
  2. Step 2: Convert to fraction form
    488,851,563.88/674,601,705.48 = 268,834,989.88/x
  3. Step 3: Cross multiply
    488,851,563.88x = 674,601,705.48 × 268,834,989.88
  4. Step 4: Simplify right side
    488,851,563.88x = 181,356,542,665,746,528
  5. Step 5: Solve for x
    x = 181,356,542,665,746,528/488,851,563.88
  6. Step 6: Final answer
    x = 370,984,887.98

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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.