Home / 1,259,721,000.20-1,889,581,500.30-532,709,712.20

Finding the Fourth Proportional to 1,259,721,000.20, 1,889,581,500.30 and 532,709,712.20

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Solution

The fourth proportional to 1,259,721,000.20, 1,889,581,500.30 and 532,709,712.20 is: 799,064,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,721,000.20 : 1,889,581,500.30 = 532,709,712.20 : x
  2. Step 2: Convert to fraction form
    1,259,721,000.20/1,889,581,500.30 = 532,709,712.20/x
  3. Step 3: Cross multiply
    1,259,721,000.20x = 1,889,581,500.30 × 532,709,712.20
  4. Step 4: Simplify right side
    1,259,721,000.20x = 1,006,598,417,203,257,216
  5. Step 5: Solve for x
    x = 1,006,598,417,203,257,216/1,259,721,000.20
  6. Step 6: Final answer
    x = 799,064,568.30

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Half scale
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Double scale
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Similar ratio
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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.