Home / 502,024,010.40-753,036,015.60-178,791,242.40

Finding the Fourth Proportional to 502,024,010.40, 753,036,015.60 and 178,791,242.40

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Solution

The fourth proportional to 502,024,010.40, 753,036,015.60 and 178,791,242.40 is: 268,186,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,024,010.40 : 753,036,015.60 = 178,791,242.40 : x
  2. Step 2: Convert to fraction form
    502,024,010.40/753,036,015.60 = 178,791,242.40/x
  3. Step 3: Cross multiply
    502,024,010.40x = 753,036,015.60 × 178,791,242.40
  4. Step 4: Simplify right side
    502,024,010.40x = 134,636,244,801,069,792
  5. Step 5: Solve for x
    x = 134,636,244,801,069,792/502,024,010.40
  6. Step 6: Final answer
    x = 268,186,863.60

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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.