Home / 1,578,245,899.20-2,369,309,738.40-995,979,019.20

Finding the Fourth Proportional to 1,578,245,899.20, 2,369,309,738.40 and 995,979,019.20

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Solution

The fourth proportional to 1,578,245,899.20, 2,369,309,738.40 and 995,979,019.20 is: 1,495,193,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,245,899.20 : 2,369,309,738.40 = 995,979,019.20 : x
  2. Step 2: Convert to fraction form
    1,578,245,899.20/2,369,309,738.40 = 995,979,019.20/x
  3. Step 3: Cross multiply
    1,578,245,899.20x = 2,369,309,738.40 × 995,979,019.20
  4. Step 4: Simplify right side
    1,578,245,899.20x = 2,359,782,789,432,641,024
  5. Step 5: Solve for x
    x = 2,359,782,789,432,641,024/1,578,245,899.20
  6. Step 6: Final answer
    x = 1,495,193,360.32

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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.