Home / 1,008,981,703.40-1,513,472,555.10-464,786,119.40

Finding the Fourth Proportional to 1,008,981,703.40, 1,513,472,555.10 and 464,786,119.40

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Solution

The fourth proportional to 1,008,981,703.40, 1,513,472,555.10 and 464,786,119.40 is: 697,179,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,981,703.40 : 1,513,472,555.10 = 464,786,119.40 : x
  2. Step 2: Convert to fraction form
    1,008,981,703.40/1,513,472,555.10 = 464,786,119.40/x
  3. Step 3: Cross multiply
    1,008,981,703.40x = 1,513,472,555.10 × 464,786,119.40
  4. Step 4: Simplify right side
    1,008,981,703.40x = 703,441,035,703,331,584
  5. Step 5: Solve for x
    x = 703,441,035,703,331,584/1,008,981,703.40
  6. Step 6: Final answer
    x = 697,179,179.10

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Half scale
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Double scale
Find fourth proportional to 1,008,981,704.40, 1,513,472,556.60 and 464,786,120.40
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.