Home / 2,748,216,469.60-4,120,442,762.59-1,399,515,934.32

Finding the Fourth Proportional to 2,748,216,469.60, 4,120,442,762.59 and 1,399,515,934.32

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Solution

The fourth proportional to 2,748,216,469.60, 4,120,442,762.59 and 1,399,515,934.32 is: 2,098,315,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,216,469.60 : 4,120,442,762.59 = 1,399,515,934.32 : x
  2. Step 2: Convert to fraction form
    2,748,216,469.60/4,120,442,762.59 = 1,399,515,934.32/x
  3. Step 3: Cross multiply
    2,748,216,469.60x = 4,120,442,762.59 × 1,399,515,934.32
  4. Step 4: Simplify right side
    2,748,216,469.60x = 5,766,625,302,698,225,664
  5. Step 5: Solve for x
    x = 5,766,625,302,698,225,664/2,748,216,469.60
  6. Step 6: Final answer
    x = 2,098,315,531.72

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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.