Home / 933,156,132.90-1,399,734,199.35-319,536,420.90

Finding the Fourth Proportional to 933,156,132.90, 1,399,734,199.35 and 319,536,420.90

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Solution

The fourth proportional to 933,156,132.90, 1,399,734,199.35 and 319,536,420.90 is: 479,304,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,156,132.90 : 1,399,734,199.35 = 319,536,420.90 : x
  2. Step 2: Convert to fraction form
    933,156,132.90/1,399,734,199.35 = 319,536,420.90/x
  3. Step 3: Cross multiply
    933,156,132.90x = 1,399,734,199.35 × 319,536,420.90
  4. Step 4: Simplify right side
    933,156,132.90x = 447,266,056,271,626,048
  5. Step 5: Solve for x
    x = 447,266,056,271,626,048/933,156,132.90
  6. Step 6: Final answer
    x = 479,304,631.35

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Double scale
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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.