Home / 407,288,047.80-610,932,071.70-148,511,710.20

Finding the Fourth Proportional to 407,288,047.80, 610,932,071.70 and 148,511,710.20

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Solution

The fourth proportional to 407,288,047.80, 610,932,071.70 and 148,511,710.20 is: 222,767,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,288,047.80 : 610,932,071.70 = 148,511,710.20 : x
  2. Step 2: Convert to fraction form
    407,288,047.80/610,932,071.70 = 148,511,710.20/x
  3. Step 3: Cross multiply
    407,288,047.80x = 610,932,071.70 × 148,511,710.20
  4. Step 4: Simplify right side
    407,288,047.80x = 90,730,566,784,196,016
  5. Step 5: Solve for x
    x = 90,730,566,784,196,016/407,288,047.80
  6. Step 6: Final answer
    x = 222,767,565.30

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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.