Home / 435,213,637.62-653,088,100.80-172,852,287.60

Finding the Fourth Proportional to 435,213,637.62, 653,088,100.80 and 172,852,287.60

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Solution

The fourth proportional to 435,213,637.62, 653,088,100.80 and 172,852,287.60 is: 259,384,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,213,637.62 : 653,088,100.80 = 172,852,287.60 : x
  2. Step 2: Convert to fraction form
    435,213,637.62/653,088,100.80 = 172,852,287.60/x
  3. Step 3: Cross multiply
    435,213,637.62x = 653,088,100.80 × 172,852,287.60
  4. Step 4: Simplify right side
    435,213,637.62x = 112,887,772,226,755,120
  5. Step 5: Solve for x
    x = 112,887,772,226,755,120/435,213,637.62
  6. Step 6: Final answer
    x = 259,384,730.79

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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.