Home / 638,005,097.70-957,007,646.55-153,330,905.70

Finding the Fourth Proportional to 638,005,097.70, 957,007,646.55 and 153,330,905.70

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Solution

The fourth proportional to 638,005,097.70, 957,007,646.55 and 153,330,905.70 is: 229,996,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,005,097.70 : 957,007,646.55 = 153,330,905.70 : x
  2. Step 2: Convert to fraction form
    638,005,097.70/957,007,646.55 = 153,330,905.70/x
  3. Step 3: Cross multiply
    638,005,097.70x = 957,007,646.55 × 153,330,905.70
  4. Step 4: Simplify right side
    638,005,097.70x = 146,738,849,207,336,960
  5. Step 5: Solve for x
    x = 146,738,849,207,336,960/638,005,097.70
  6. Step 6: Final answer
    x = 229,996,358.55

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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.