Home / 1,057,359,255.30-1,585,862,967.24-320,253,909.84

Finding the Fourth Proportional to 1,057,359,255.30, 1,585,862,967.24 and 320,253,909.84

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Solution

The fourth proportional to 1,057,359,255.30, 1,585,862,967.24 and 320,253,909.84 is: 480,327,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,359,255.30 : 1,585,862,967.24 = 320,253,909.84 : x
  2. Step 2: Convert to fraction form
    1,057,359,255.30/1,585,862,967.24 = 320,253,909.84/x
  3. Step 3: Cross multiply
    1,057,359,255.30x = 1,585,862,967.24 × 320,253,909.84
  4. Step 4: Simplify right side
    1,057,359,255.30x = 507,878,815,729,073,792
  5. Step 5: Solve for x
    x = 507,878,815,729,073,792/1,057,359,255.30
  6. Step 6: Final answer
    x = 480,327,583.25

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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.