Home / 727,471,372.20-1,091,207,058.30-437,233,727.40

Finding the Fourth Proportional to 727,471,372.20, 1,091,207,058.30 and 437,233,727.40

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Solution

The fourth proportional to 727,471,372.20, 1,091,207,058.30 and 437,233,727.40 is: 655,850,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,471,372.20 : 1,091,207,058.30 = 437,233,727.40 : x
  2. Step 2: Convert to fraction form
    727,471,372.20/1,091,207,058.30 = 437,233,727.40/x
  3. Step 3: Cross multiply
    727,471,372.20x = 1,091,207,058.30 × 437,233,727.40
  4. Step 4: Simplify right side
    727,471,372.20x = 477,112,529,465,698,048
  5. Step 5: Solve for x
    x = 477,112,529,465,698,048/727,471,372.20
  6. Step 6: Final answer
    x = 655,850,591.10

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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.