Home / 638,005,094.20-957,007,641.30-153,330,902.20

Finding the Fourth Proportional to 638,005,094.20, 957,007,641.30 and 153,330,902.20

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Solution

The fourth proportional to 638,005,094.20, 957,007,641.30 and 153,330,902.20 is: 229,996,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,005,094.20 : 957,007,641.30 = 153,330,902.20 : x
  2. Step 2: Convert to fraction form
    638,005,094.20/957,007,641.30 = 153,330,902.20/x
  3. Step 3: Cross multiply
    638,005,094.20x = 957,007,641.30 × 153,330,902.20
  4. Step 4: Simplify right side
    638,005,094.20x = 146,738,845,052,822,976
  5. Step 5: Solve for x
    x = 146,738,845,052,822,976/638,005,094.20
  6. Step 6: Final answer
    x = 229,996,353.30

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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.