Home / 400,942,536-601,416,461.20-155,326,449.03

Finding the Fourth Proportional to 400,942,536, 601,416,461.20 and 155,326,449.03

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Solution

The fourth proportional to 400,942,536, 601,416,461.20 and 155,326,449.03 is: 232,990,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,942,536 : 601,416,461.20 = 155,326,449.03 : x
  2. Step 2: Convert to fraction form
    400,942,536/601,416,461.20 = 155,326,449.03/x
  3. Step 3: Cross multiply
    400,942,536x = 601,416,461.20 × 155,326,449.03
  4. Step 4: Simplify right side
    400,942,536x = 93,415,883,306,384,784
  5. Step 5: Solve for x
    x = 93,415,883,306,384,784/400,942,536
  6. Step 6: Final answer
    x = 232,990,702.95

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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.