Home / 797,165,087.40-1,195,936,587.90-409,047,820.20

Finding the Fourth Proportional to 797,165,087.40, 1,195,936,587.90 and 409,047,820.20

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Solution

The fourth proportional to 797,165,087.40, 1,195,936,587.90 and 409,047,820.20 is: 613,668,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,165,087.40 : 1,195,936,587.90 = 409,047,820.20 : x
  2. Step 2: Convert to fraction form
    797,165,087.40/1,195,936,587.90 = 409,047,820.20/x
  3. Step 3: Cross multiply
    797,165,087.40x = 1,195,936,587.90 × 409,047,820.20
  4. Step 4: Simplify right side
    797,165,087.40x = 489,195,254,377,920,704
  5. Step 5: Solve for x
    x = 489,195,254,377,920,704/797,165,087.40
  6. Step 6: Final answer
    x = 613,668,689.35

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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.