Home / 2,829,307,138.80-4,243,960,708.20-1,279,625,182.80

Finding the Fourth Proportional to 2,829,307,138.80, 4,243,960,708.20 and 1,279,625,182.80

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Solution

The fourth proportional to 2,829,307,138.80, 4,243,960,708.20 and 1,279,625,182.80 is: 1,919,437,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,307,138.80 : 4,243,960,708.20 = 1,279,625,182.80 : x
  2. Step 2: Convert to fraction form
    2,829,307,138.80/4,243,960,708.20 = 1,279,625,182.80/x
  3. Step 3: Cross multiply
    2,829,307,138.80x = 4,243,960,708.20 × 1,279,625,182.80
  4. Step 4: Simplify right side
    2,829,307,138.80x = 5,430,678,997,026,442,240
  5. Step 5: Solve for x
    x = 5,430,678,997,026,442,240/2,829,307,138.80
  6. Step 6: Final answer
    x = 1,919,437,774.20

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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.