Home / 400,773,007.20-601,358,576.40-158,443,816.80

Finding the Fourth Proportional to 400,773,007.20, 601,358,576.40 and 158,443,816.80

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Solution

The fourth proportional to 400,773,007.20, 601,358,576.40 and 158,443,816.80 is: 237,744,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,773,007.20 : 601,358,576.40 = 158,443,816.80 : x
  2. Step 2: Convert to fraction form
    400,773,007.20/601,358,576.40 = 158,443,816.80/x
  3. Step 3: Cross multiply
    400,773,007.20x = 601,358,576.40 × 158,443,816.80
  4. Step 4: Simplify right side
    400,773,007.20x = 95,281,548,110,230,400
  5. Step 5: Solve for x
    x = 95,281,548,110,230,400/400,773,007.20
  6. Step 6: Final answer
    x = 237,744,424.90

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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.