Home / 933,156,143.40-1,399,734,215.10-319,536,431.40

Finding the Fourth Proportional to 933,156,143.40, 1,399,734,215.10 and 319,536,431.40

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Solution

The fourth proportional to 933,156,143.40, 1,399,734,215.10 and 319,536,431.40 is: 479,304,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,156,143.40 : 1,399,734,215.10 = 319,536,431.40 : x
  2. Step 2: Convert to fraction form
    933,156,143.40/1,399,734,215.10 = 319,536,431.40/x
  3. Step 3: Cross multiply
    933,156,143.40x = 1,399,734,215.10 × 319,536,431.40
  4. Step 4: Simplify right side
    933,156,143.40x = 447,266,076,001,533,952
  5. Step 5: Solve for x
    x = 447,266,076,001,533,952/933,156,143.40
  6. Step 6: Final answer
    x = 479,304,647.10

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Double scale
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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.