Home / 1,314,916,891.61-1,814,586,288.74-712,092,194.18

Finding the Fourth Proportional to 1,314,916,891.61, 1,814,586,288.74 and 712,092,194.18

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Solution

The fourth proportional to 1,314,916,891.61, 1,814,586,288.74 and 712,092,194.18 is: 982,687,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,916,891.61 : 1,814,586,288.74 = 712,092,194.18 : x
  2. Step 2: Convert to fraction form
    1,314,916,891.61/1,814,586,288.74 = 712,092,194.18/x
  3. Step 3: Cross multiply
    1,314,916,891.61x = 1,814,586,288.74 × 712,092,194.18
  4. Step 4: Simplify right side
    1,314,916,891.61x = 1,292,152,731,877,702,656
  5. Step 5: Solve for x
    x = 1,292,152,731,877,702,656/1,314,916,891.61
  6. Step 6: Final answer
    x = 982,687,757.78

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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.