Home / 403,055,053.60-556,155,983.10-226,832,539.45

Finding the Fourth Proportional to 403,055,053.60, 556,155,983.10 and 226,832,539.45

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Solution

The fourth proportional to 403,055,053.60, 556,155,983.10 and 226,832,539.45 is: 312,995,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,055,053.60 : 556,155,983.10 = 226,832,539.45 : x
  2. Step 2: Convert to fraction form
    403,055,053.60/556,155,983.10 = 226,832,539.45/x
  3. Step 3: Cross multiply
    403,055,053.60x = 556,155,983.10 × 226,832,539.45
  4. Step 4: Simplify right side
    403,055,053.60x = 126,154,273,976,884,288
  5. Step 5: Solve for x
    x = 126,154,273,976,884,288/403,055,053.60
  6. Step 6: Final answer
    x = 312,995,142.60

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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.