Home / 605,635,278.90-908,460,127.41-168,909,391.58

Finding the Fourth Proportional to 605,635,278.90, 908,460,127.41 and 168,909,391.58

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Solution

The fourth proportional to 605,635,278.90, 908,460,127.41 and 168,909,391.58 is: 253,366,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,635,278.90 : 908,460,127.41 = 168,909,391.58 : x
  2. Step 2: Convert to fraction form
    605,635,278.90/908,460,127.41 = 168,909,391.58/x
  3. Step 3: Cross multiply
    605,635,278.90x = 908,460,127.41 × 168,909,391.58
  4. Step 4: Simplify right side
    605,635,278.90x = 153,447,447,395,512,384
  5. Step 5: Solve for x
    x = 153,447,447,395,512,384/605,635,278.90
  6. Step 6: Final answer
    x = 253,366,097.95

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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.