Home / 865,878,229.11-1,298,686,112.04-235,659,397.19

Finding the Fourth Proportional to 865,878,229.11, 1,298,686,112.04 and 235,659,397.19

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Solution

The fourth proportional to 865,878,229.11, 1,298,686,112.04 and 235,659,397.19 is: 353,453,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,878,229.11 : 1,298,686,112.04 = 235,659,397.19 : x
  2. Step 2: Convert to fraction form
    865,878,229.11/1,298,686,112.04 = 235,659,397.19/x
  3. Step 3: Cross multiply
    865,878,229.11x = 1,298,686,112.04 × 235,659,397.19
  4. Step 4: Simplify right side
    865,878,229.11x = 306,047,586,295,877,760
  5. Step 5: Solve for x
    x = 306,047,586,295,877,760/865,878,229.11
  6. Step 6: Final answer
    x = 353,453,379.48

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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.