Home / 1,397,807,126.20-2,098,054,382.10-708,492,719.80

Finding the Fourth Proportional to 1,397,807,126.20, 2,098,054,382.10 and 708,492,719.80

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Solution

The fourth proportional to 1,397,807,126.20, 2,098,054,382.10 and 708,492,719.80 is: 1,063,420,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,807,126.20 : 2,098,054,382.10 = 708,492,719.80 : x
  2. Step 2: Convert to fraction form
    1,397,807,126.20/2,098,054,382.10 = 708,492,719.80/x
  3. Step 3: Cross multiply
    1,397,807,126.20x = 2,098,054,382.10 × 708,492,719.80
  4. Step 4: Simplify right side
    1,397,807,126.20x = 1,486,456,255,462,337,280
  5. Step 5: Solve for x
    x = 1,486,456,255,462,337,280/1,397,807,126.20
  6. Step 6: Final answer
    x = 1,063,420,144.02

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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.