Home / 1,149,554,856.90-1,724,332,285.35-665,825,448.90

Finding the Fourth Proportional to 1,149,554,856.90, 1,724,332,285.35 and 665,825,448.90

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Solution

The fourth proportional to 1,149,554,856.90, 1,724,332,285.35 and 665,825,448.90 is: 998,738,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,554,856.90 : 1,724,332,285.35 = 665,825,448.90 : x
  2. Step 2: Convert to fraction form
    1,149,554,856.90/1,724,332,285.35 = 665,825,448.90/x
  3. Step 3: Cross multiply
    1,149,554,856.90x = 1,724,332,285.35 × 665,825,448.90
  4. Step 4: Simplify right side
    1,149,554,856.90x = 1,148,104,317,945,926,528
  5. Step 5: Solve for x
    x = 1,148,104,317,945,926,528/1,149,554,856.90
  6. Step 6: Final answer
    x = 998,738,173.35

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Half scale
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Double scale
Find fourth proportional to 1,149,554,857.90, 1,724,332,286.85 and 665,825,449.90
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.