Home / 442,368,001.20-663,552,001.80-155,182,695.60

Finding the Fourth Proportional to 442,368,001.20, 663,552,001.80 and 155,182,695.60

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Solution

The fourth proportional to 442,368,001.20, 663,552,001.80 and 155,182,695.60 is: 232,774,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,368,001.20 : 663,552,001.80 = 155,182,695.60 : x
  2. Step 2: Convert to fraction form
    442,368,001.20/663,552,001.80 = 155,182,695.60/x
  3. Step 3: Cross multiply
    442,368,001.20x = 663,552,001.80 × 155,182,695.60
  4. Step 4: Simplify right side
    442,368,001.20x = 102,971,788,310,100,048
  5. Step 5: Solve for x
    x = 102,971,788,310,100,048/442,368,001.20
  6. Step 6: Final answer
    x = 232,774,043.40

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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.