Home / 1,208,520,064.70-1,812,780,097.05-634,016,743.10

Finding the Fourth Proportional to 1,208,520,064.70, 1,812,780,097.05 and 634,016,743.10

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Solution

The fourth proportional to 1,208,520,064.70, 1,812,780,097.05 and 634,016,743.10 is: 951,025,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,520,064.70 : 1,812,780,097.05 = 634,016,743.10 : x
  2. Step 2: Convert to fraction form
    1,208,520,064.70/1,812,780,097.05 = 634,016,743.10/x
  3. Step 3: Cross multiply
    1,208,520,064.70x = 1,812,780,097.05 × 634,016,743.10
  4. Step 4: Simplify right side
    1,208,520,064.70x = 1,149,332,933,088,142,976
  5. Step 5: Solve for x
    x = 1,149,332,933,088,142,976/1,208,520,064.70
  6. Step 6: Final answer
    x = 951,025,114.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.