Home / 2,586,730,481.28-3,880,040,013.36-721,326,476.40

Finding the Fourth Proportional to 2,586,730,481.28, 3,880,040,013.36 and 721,326,476.40

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Solution

The fourth proportional to 2,586,730,481.28, 3,880,040,013.36 and 721,326,476.40 is: 1,081,974,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,730,481.28 : 3,880,040,013.36 = 721,326,476.40 : x
  2. Step 2: Convert to fraction form
    2,586,730,481.28/3,880,040,013.36 = 721,326,476.40/x
  3. Step 3: Cross multiply
    2,586,730,481.28x = 3,880,040,013.36 × 721,326,476.40
  4. Step 4: Simplify right side
    2,586,730,481.28x = 2,798,775,591,127,977,984
  5. Step 5: Solve for x
    x = 2,798,775,591,127,977,984/2,586,730,481.28
  6. Step 6: Final answer
    x = 1,081,974,179.91

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1.5x scale

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.