Home / 298,982,318.40-448,536,463.20-126,370,281.60

Finding the Fourth Proportional to 298,982,318.40, 448,536,463.20 and 126,370,281.60

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Solution

The fourth proportional to 298,982,318.40, 448,536,463.20 and 126,370,281.60 is: 189,582,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,982,318.40 : 448,536,463.20 = 126,370,281.60 : x
  2. Step 2: Convert to fraction form
    298,982,318.40/448,536,463.20 = 126,370,281.60/x
  3. Step 3: Cross multiply
    298,982,318.40x = 448,536,463.20 × 126,370,281.60
  4. Step 4: Simplify right side
    298,982,318.40x = 56,681,679,162,452,032
  5. Step 5: Solve for x
    x = 56,681,679,162,452,032/298,982,318.40
  6. Step 6: Final answer
    x = 189,582,044.40

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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.