Home / 1,399,687,218.10-2,099,530,827.15-479,257,650.10

Finding the Fourth Proportional to 1,399,687,218.10, 2,099,530,827.15 and 479,257,650.10

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Solution

The fourth proportional to 1,399,687,218.10, 2,099,530,827.15 and 479,257,650.10 is: 718,886,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,687,218.10 : 2,099,530,827.15 = 479,257,650.10 : x
  2. Step 2: Convert to fraction form
    1,399,687,218.10/2,099,530,827.15 = 479,257,650.10/x
  3. Step 3: Cross multiply
    1,399,687,218.10x = 2,099,530,827.15 × 479,257,650.10
  4. Step 4: Simplify right side
    1,399,687,218.10x = 1,006,216,210,532,418,432
  5. Step 5: Solve for x
    x = 1,006,216,210,532,418,432/1,399,687,218.10
  6. Step 6: Final answer
    x = 718,886,475.15

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Double scale
Find fourth proportional to 1,399,687,219.10, 2,099,530,828.65 and 479,257,651.10
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.