Home / 402,004,511.61-602,748,686.26-156,099,121.48

Finding the Fourth Proportional to 402,004,511.61, 602,748,686.26 and 156,099,121.48

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Solution

The fourth proportional to 402,004,511.61, 602,748,686.26 and 156,099,121.48 is: 234,048,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,004,511.61 : 602,748,686.26 = 156,099,121.48 : x
  2. Step 2: Convert to fraction form
    402,004,511.61/602,748,686.26 = 156,099,121.48/x
  3. Step 3: Cross multiply
    402,004,511.61x = 602,748,686.26 × 156,099,121.48
  4. Step 4: Simplify right side
    402,004,511.61x = 94,088,540,398,410,144
  5. Step 5: Solve for x
    x = 94,088,540,398,410,144/402,004,511.61
  6. Step 6: Final answer
    x = 234,048,468.81

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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.