Home / 5,246,254,195.20-7,872,404,601.60-1,977,049,612.80

Finding the Fourth Proportional to 5,246,254,195.20, 7,872,404,601.60 and 1,977,049,612.80

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Solution

The fourth proportional to 5,246,254,195.20, 7,872,404,601.60 and 1,977,049,612.80 is: 2,966,713,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,254,195.20 : 7,872,404,601.60 = 1,977,049,612.80 : x
  2. Step 2: Convert to fraction form
    5,246,254,195.20/7,872,404,601.60 = 1,977,049,612.80/x
  3. Step 3: Cross multiply
    5,246,254,195.20x = 7,872,404,601.60 × 1,977,049,612.80
  4. Step 4: Simplify right side
    5,246,254,195.20x = 15,564,134,469,398,218,752
  5. Step 5: Solve for x
    x = 15,564,134,469,398,218,752/5,246,254,195.20
  6. Step 6: Final answer
    x = 2,966,713,752.38

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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.