Home / 330,808,001.40-496,212,002.10-238,974,996.60

Finding the Fourth Proportional to 330,808,001.40, 496,212,002.10 and 238,974,996.60

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Solution

The fourth proportional to 330,808,001.40, 496,212,002.10 and 238,974,996.60 is: 358,462,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,808,001.40 : 496,212,002.10 = 238,974,996.60 : x
  2. Step 2: Convert to fraction form
    330,808,001.40/496,212,002.10 = 238,974,996.60/x
  3. Step 3: Cross multiply
    330,808,001.40x = 496,212,002.10 × 238,974,996.60
  4. Step 4: Simplify right side
    330,808,001.40x = 118,582,261,514,726,688
  5. Step 5: Solve for x
    x = 118,582,261,514,726,688/330,808,001.40
  6. Step 6: Final answer
    x = 358,462,494.90

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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.