Home / 1,490,882,062.77-2,057,400,482.66-812,684,151.86

Finding the Fourth Proportional to 1,490,882,062.77, 2,057,400,482.66 and 812,684,151.86

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Solution

The fourth proportional to 1,490,882,062.77, 2,057,400,482.66 and 812,684,151.86 is: 1,121,494,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,882,062.77 : 2,057,400,482.66 = 812,684,151.86 : x
  2. Step 2: Convert to fraction form
    1,490,882,062.77/2,057,400,482.66 = 812,684,151.86/x
  3. Step 3: Cross multiply
    1,490,882,062.77x = 2,057,400,482.66 × 812,684,151.86
  4. Step 4: Simplify right side
    1,490,882,062.77x = 1,672,016,766,272,546,304
  5. Step 5: Solve for x
    x = 1,672,016,766,272,546,304/1,490,882,062.77
  6. Step 6: Final answer
    x = 1,121,494,991.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.