Home / 1,372,989,419.28-1,895,128,634.34-896,752,593.30

Finding the Fourth Proportional to 1,372,989,419.28, 1,895,128,634.34 and 896,752,593.30

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Solution

The fourth proportional to 1,372,989,419.28, 1,895,128,634.34 and 896,752,593.30 is: 1,237,781,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,989,419.28 : 1,895,128,634.34 = 896,752,593.30 : x
  2. Step 2: Convert to fraction form
    1,372,989,419.28/1,895,128,634.34 = 896,752,593.30/x
  3. Step 3: Cross multiply
    1,372,989,419.28x = 1,895,128,634.34 × 896,752,593.30
  4. Step 4: Simplify right side
    1,372,989,419.28x = 1,699,461,517,481,482,240
  5. Step 5: Solve for x
    x = 1,699,461,517,481,482,240/1,372,989,419.28
  6. Step 6: Final answer
    x = 1,237,781,947.64

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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.