Home / 638,005,088.20-957,007,632.30-153,330,896.20

Finding the Fourth Proportional to 638,005,088.20, 957,007,632.30 and 153,330,896.20

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Solution

The fourth proportional to 638,005,088.20, 957,007,632.30 and 153,330,896.20 is: 229,996,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,005,088.20 : 957,007,632.30 = 153,330,896.20 : x
  2. Step 2: Convert to fraction form
    638,005,088.20/957,007,632.30 = 153,330,896.20/x
  3. Step 3: Cross multiply
    638,005,088.20x = 957,007,632.30 × 153,330,896.20
  4. Step 4: Simplify right side
    638,005,088.20x = 146,738,837,930,799,040
  5. Step 5: Solve for x
    x = 146,738,837,930,799,040/638,005,088.20
  6. Step 6: Final answer
    x = 229,996,344.30

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Similar ratio
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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.