Home / 709,849,672.20-1,064,774,508.30-327,643,720.20

Finding the Fourth Proportional to 709,849,672.20, 1,064,774,508.30 and 327,643,720.20

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Solution

The fourth proportional to 709,849,672.20, 1,064,774,508.30 and 327,643,720.20 is: 491,465,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,849,672.20 : 1,064,774,508.30 = 327,643,720.20 : x
  2. Step 2: Convert to fraction form
    709,849,672.20/1,064,774,508.30 = 327,643,720.20/x
  3. Step 3: Cross multiply
    709,849,672.20x = 1,064,774,508.30 × 327,643,720.20
  4. Step 4: Simplify right side
    709,849,672.20x = 348,866,681,073,537,728
  5. Step 5: Solve for x
    x = 348,866,681,073,537,728/709,849,672.20
  6. Step 6: Final answer
    x = 491,465,580.30

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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.