Home / 933,156,133.90-1,399,734,200.85-319,536,421.90

Finding the Fourth Proportional to 933,156,133.90, 1,399,734,200.85 and 319,536,421.90

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Solution

The fourth proportional to 933,156,133.90, 1,399,734,200.85 and 319,536,421.90 is: 479,304,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,156,133.90 : 1,399,734,200.85 = 319,536,421.90 : x
  2. Step 2: Convert to fraction form
    933,156,133.90/1,399,734,200.85 = 319,536,421.90/x
  3. Step 3: Cross multiply
    933,156,133.90x = 1,399,734,200.85 × 319,536,421.90
  4. Step 4: Simplify right side
    933,156,133.90x = 447,266,058,150,664,896
  5. Step 5: Solve for x
    x = 447,266,058,150,664,896/933,156,133.90
  6. Step 6: Final answer
    x = 479,304,632.85

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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.