Home / 460,147,985.52-635,019,889.71-272,137,445.76

Finding the Fourth Proportional to 460,147,985.52, 635,019,889.71 and 272,137,445.76

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Solution

The fourth proportional to 460,147,985.52, 635,019,889.71 and 272,137,445.76 is: 375,558,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,147,985.52 : 635,019,889.71 = 272,137,445.76 : x
  2. Step 2: Convert to fraction form
    460,147,985.52/635,019,889.71 = 272,137,445.76/x
  3. Step 3: Cross multiply
    460,147,985.52x = 635,019,889.71 × 272,137,445.76
  4. Step 4: Simplify right side
    460,147,985.52x = 172,812,690,792,476,320
  5. Step 5: Solve for x
    x = 172,812,690,792,476,320/460,147,985.52
  6. Step 6: Final answer
    x = 375,558,942.41

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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.