Home / 402,178,941.45-555,053,438.58-234,957,003.45

Finding the Fourth Proportional to 402,178,941.45, 555,053,438.58 and 234,957,003.45

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Solution

The fourth proportional to 402,178,941.45, 555,053,438.58 and 234,957,003.45 is: 324,267,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,178,941.45 : 555,053,438.58 = 234,957,003.45 : x
  2. Step 2: Convert to fraction form
    402,178,941.45/555,053,438.58 = 234,957,003.45/x
  3. Step 3: Cross multiply
    402,178,941.45x = 555,053,438.58 × 234,957,003.45
  4. Step 4: Simplify right side
    402,178,941.45x = 130,413,692,683,375,424
  5. Step 5: Solve for x
    x = 130,413,692,683,375,424/402,178,941.45
  6. Step 6: Final answer
    x = 324,267,830.17

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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.