Home / 265,718,011.20-398,577,016.80-222,719,841.60

Finding the Fourth Proportional to 265,718,011.20, 398,577,016.80 and 222,719,841.60

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Solution

The fourth proportional to 265,718,011.20, 398,577,016.80 and 222,719,841.60 is: 334,079,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,718,011.20 : 398,577,016.80 = 222,719,841.60 : x
  2. Step 2: Convert to fraction form
    265,718,011.20/398,577,016.80 = 222,719,841.60/x
  3. Step 3: Cross multiply
    265,718,011.20x = 398,577,016.80 × 222,719,841.60
  4. Step 4: Simplify right side
    265,718,011.20x = 88,771,010,047,096,544
  5. Step 5: Solve for x
    x = 88,771,010,047,096,544/265,718,011.20
  6. Step 6: Final answer
    x = 334,079,762.40

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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.