Home / 933,156,090.40-1,399,734,135.60-319,536,378.40

Finding the Fourth Proportional to 933,156,090.40, 1,399,734,135.60 and 319,536,378.40

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Solution

The fourth proportional to 933,156,090.40, 1,399,734,135.60 and 319,536,378.40 is: 479,304,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,156,090.40 : 1,399,734,135.60 = 319,536,378.40 : x
  2. Step 2: Convert to fraction form
    933,156,090.40/1,399,734,135.60 = 319,536,378.40/x
  3. Step 3: Cross multiply
    933,156,090.40x = 1,399,734,135.60 × 319,536,378.40
  4. Step 4: Simplify right side
    933,156,090.40x = 447,265,976,412,478,464
  5. Step 5: Solve for x
    x = 447,265,976,412,478,464/933,156,090.40
  6. Step 6: Final answer
    x = 479,304,567.60

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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.