Home / 1,008,981,710.40-1,513,472,565.60-464,786,126.40

Finding the Fourth Proportional to 1,008,981,710.40, 1,513,472,565.60 and 464,786,126.40

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Solution

The fourth proportional to 1,008,981,710.40, 1,513,472,565.60 and 464,786,126.40 is: 697,179,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,981,710.40 : 1,513,472,565.60 = 464,786,126.40 : x
  2. Step 2: Convert to fraction form
    1,008,981,710.40/1,513,472,565.60 = 464,786,126.40/x
  3. Step 3: Cross multiply
    1,008,981,710.40x = 1,513,472,565.60 × 464,786,126.40
  4. Step 4: Simplify right side
    1,008,981,710.40x = 703,441,051,177,893,760
  5. Step 5: Solve for x
    x = 703,441,051,177,893,760/1,008,981,710.40
  6. Step 6: Final answer
    x = 697,179,189.60

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Half scale
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Double scale
Find fourth proportional to 1,008,981,711.40, 1,513,472,567.10 and 464,786,127.40
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.