Home / 1,149,701,280.40-1,724,551,920.60-331,840,262.80

Finding the Fourth Proportional to 1,149,701,280.40, 1,724,551,920.60 and 331,840,262.80

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Solution

The fourth proportional to 1,149,701,280.40, 1,724,551,920.60 and 331,840,262.80 is: 497,760,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,701,280.40 : 1,724,551,920.60 = 331,840,262.80 : x
  2. Step 2: Convert to fraction form
    1,149,701,280.40/1,724,551,920.60 = 331,840,262.80/x
  3. Step 3: Cross multiply
    1,149,701,280.40x = 1,724,551,920.60 × 331,840,262.80
  4. Step 4: Simplify right side
    1,149,701,280.40x = 572,275,762,544,148,736
  5. Step 5: Solve for x
    x = 572,275,762,544,148,736/1,149,701,280.40
  6. Step 6: Final answer
    x = 497,760,394.20

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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.