Home / 376,427,081.40-564,841,242.90-146,403,670.20

Finding the Fourth Proportional to 376,427,081.40, 564,841,242.90 and 146,403,670.20

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Solution

The fourth proportional to 376,427,081.40, 564,841,242.90 and 146,403,670.20 is: 219,683,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,427,081.40 : 564,841,242.90 = 146,403,670.20 : x
  2. Step 2: Convert to fraction form
    376,427,081.40/564,841,242.90 = 146,403,670.20/x
  3. Step 3: Cross multiply
    376,427,081.40x = 564,841,242.90 × 146,403,670.20
  4. Step 4: Simplify right side
    376,427,081.40x = 82,694,831,040,889,680
  5. Step 5: Solve for x
    x = 82,694,831,040,889,680/376,427,081.40
  6. Step 6: Final answer
    x = 219,683,532.69

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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.