Home / 933,124,812.90-1,399,687,219.35-319,505,100.90

Finding the Fourth Proportional to 933,124,812.90, 1,399,687,219.35 and 319,505,100.90

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Solution

The fourth proportional to 933,124,812.90, 1,399,687,219.35 and 319,505,100.90 is: 479,257,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,124,812.90 : 1,399,687,219.35 = 319,505,100.90 : x
  2. Step 2: Convert to fraction form
    933,124,812.90/1,399,687,219.35 = 319,505,100.90/x
  3. Step 3: Cross multiply
    933,124,812.90x = 1,399,687,219.35 × 319,505,100.90
  4. Step 4: Simplify right side
    933,124,812.90x = 447,207,206,246,862,144
  5. Step 5: Solve for x
    x = 447,207,206,246,862,144/933,124,812.90
  6. Step 6: Final answer
    x = 479,257,651.35

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Similar ratio
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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.