Home / 2,987,047,475.10-4,480,571,212.65-2,578,564,863.90

Finding the Fourth Proportional to 2,987,047,475.10, 4,480,571,212.65 and 2,578,564,863.90

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Solution

The fourth proportional to 2,987,047,475.10, 4,480,571,212.65 and 2,578,564,863.90 is: 3,867,847,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,047,475.10 : 4,480,571,212.65 = 2,578,564,863.90 : x
  2. Step 2: Convert to fraction form
    2,987,047,475.10/4,480,571,212.65 = 2,578,564,863.90/x
  3. Step 3: Cross multiply
    2,987,047,475.10x = 4,480,571,212.65 × 2,578,564,863.90
  4. Step 4: Simplify right side
    2,987,047,475.10x = 11,553,443,499,141,105,664
  5. Step 5: Solve for x
    x = 11,553,443,499,141,105,664/2,987,047,475.10
  6. Step 6: Final answer
    x = 3,867,847,295.85

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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.