Home / 403,055,055.10-556,155,985.17-226,832,540.95

Finding the Fourth Proportional to 403,055,055.10, 556,155,985.17 and 226,832,540.95

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Solution

The fourth proportional to 403,055,055.10, 556,155,985.17 and 226,832,540.95 is: 312,995,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,055,055.10 : 556,155,985.17 = 226,832,540.95 : x
  2. Step 2: Convert to fraction form
    403,055,055.10/556,155,985.17 = 226,832,540.95/x
  3. Step 3: Cross multiply
    403,055,055.10x = 556,155,985.17 × 226,832,540.95
  4. Step 4: Simplify right side
    403,055,055.10x = 126,154,275,280,661,600
  5. Step 5: Solve for x
    x = 126,154,275,280,661,600/403,055,055.10
  6. Step 6: Final answer
    x = 312,995,144.67

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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.