Home / 298,655,005.40-447,982,508.10-238,188,829.40

Finding the Fourth Proportional to 298,655,005.40, 447,982,508.10 and 238,188,829.40

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Solution

The fourth proportional to 298,655,005.40, 447,982,508.10 and 238,188,829.40 is: 357,283,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,655,005.40 : 447,982,508.10 = 238,188,829.40 : x
  2. Step 2: Convert to fraction form
    298,655,005.40/447,982,508.10 = 238,188,829.40/x
  3. Step 3: Cross multiply
    298,655,005.40x = 447,982,508.10 × 238,188,829.40
  4. Step 4: Simplify right side
    298,655,005.40x = 106,704,429,196,015,024
  5. Step 5: Solve for x
    x = 106,704,429,196,015,024/298,655,005.40
  6. Step 6: Final answer
    x = 357,283,244.10

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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.