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Finding the Fourth Proportional to 542,245,124.32, 748,658,630.46 and 416,573,499.76

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Solution

The fourth proportional to 542,245,124.32, 748,658,630.46 and 416,573,499.76 is: 575,148,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,245,124.32 : 748,658,630.46 = 416,573,499.76 : x
  2. Step 2: Convert to fraction form
    542,245,124.32/748,658,630.46 = 416,573,499.76/x
  3. Step 3: Cross multiply
    542,245,124.32x = 748,658,630.46 × 416,573,499.76
  4. Step 4: Simplify right side
    542,245,124.32x = 311,871,345,816,250,752
  5. Step 5: Solve for x
    x = 311,871,345,816,250,752/542,245,124.32
  6. Step 6: Final answer
    x = 575,148,271.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.