Home / 2,992,059,002.70-4,488,088,504.05-811,025,138.70

Finding the Fourth Proportional to 2,992,059,002.70, 4,488,088,504.05 and 811,025,138.70

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Solution

The fourth proportional to 2,992,059,002.70, 4,488,088,504.05 and 811,025,138.70 is: 1,216,537,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,059,002.70 : 4,488,088,504.05 = 811,025,138.70 : x
  2. Step 2: Convert to fraction form
    2,992,059,002.70/4,488,088,504.05 = 811,025,138.70/x
  3. Step 3: Cross multiply
    2,992,059,002.70x = 4,488,088,504.05 × 811,025,138.70
  4. Step 4: Simplify right side
    2,992,059,002.70x = 3,639,952,601,495,027,200
  5. Step 5: Solve for x
    x = 3,639,952,601,495,027,200/2,992,059,002.70
  6. Step 6: Final answer
    x = 1,216,537,708.05

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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.