Home / 402,004,512.61-602,748,687.76-156,099,122.48

Finding the Fourth Proportional to 402,004,512.61, 602,748,687.76 and 156,099,122.48

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Solution

The fourth proportional to 402,004,512.61, 602,748,687.76 and 156,099,122.48 is: 234,048,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004,512.61 : 602,748,687.76 = 156,099,122.48 : x
  2. Step 2: Convert to fraction form
    402,004,512.61/602,748,687.76 = 156,099,122.48/x
  3. Step 3: Cross multiply
    402,004,512.61x = 602,748,687.76 × 156,099,122.48
  4. Step 4: Simplify right side
    402,004,512.61x = 94,088,541,235,307,504
  5. Step 5: Solve for x
    x = 94,088,541,235,307,504/402,004,512.61
  6. Step 6: Final answer
    x = 234,048,470.31

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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.