Home / 502,160,010.40-753,240,015.60-178,927,242.40

Finding the Fourth Proportional to 502,160,010.40, 753,240,015.60 and 178,927,242.40

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Solution

The fourth proportional to 502,160,010.40, 753,240,015.60 and 178,927,242.40 is: 268,390,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,160,010.40 : 753,240,015.60 = 178,927,242.40 : x
  2. Step 2: Convert to fraction form
    502,160,010.40/753,240,015.60 = 178,927,242.40/x
  3. Step 3: Cross multiply
    502,160,010.40x = 753,240,015.60 × 178,927,242.40
  4. Step 4: Simplify right side
    502,160,010.40x = 134,775,158,856,640,992
  5. Step 5: Solve for x
    x = 134,775,158,856,640,992/502,160,010.40
  6. Step 6: Final answer
    x = 268,390,863.60

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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.