Home / 1,491,161,549.31-2,057,805,205.52-831,097,655.55

Finding the Fourth Proportional to 1,491,161,549.31, 2,057,805,205.52 and 831,097,655.55

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Solution

The fourth proportional to 1,491,161,549.31, 2,057,805,205.52 and 831,097,655.55 is: 1,146,916,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,161,549.31 : 2,057,805,205.52 = 831,097,655.55 : x
  2. Step 2: Convert to fraction form
    1,491,161,549.31/2,057,805,205.52 = 831,097,655.55/x
  3. Step 3: Cross multiply
    1,491,161,549.31x = 2,057,805,205.52 × 831,097,655.55
  4. Step 4: Simplify right side
    1,491,161,549.31x = 1,710,237,081,886,257,920
  5. Step 5: Solve for x
    x = 1,710,237,081,886,257,920/1,491,161,549.31
  6. Step 6: Final answer
    x = 1,146,916,028.43

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Double scale
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1.5x scale

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.