Home / 1,399,687,224.60-2,099,530,836.90-479,257,656.60

Finding the Fourth Proportional to 1,399,687,224.60, 2,099,530,836.90 and 479,257,656.60

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Solution

The fourth proportional to 1,399,687,224.60, 2,099,530,836.90 and 479,257,656.60 is: 718,886,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,687,224.60 : 2,099,530,836.90 = 479,257,656.60 : x
  2. Step 2: Convert to fraction form
    1,399,687,224.60/2,099,530,836.90 = 479,257,656.60/x
  3. Step 3: Cross multiply
    1,399,687,224.60x = 2,099,530,836.90 × 479,257,656.60
  4. Step 4: Simplify right side
    1,399,687,224.60x = 1,006,216,228,852,130,944
  5. Step 5: Solve for x
    x = 1,006,216,228,852,130,944/1,399,687,224.60
  6. Step 6: Final answer
    x = 718,886,484.90

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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.