Home / 2,605,900,917.60-3,909,418,246.80-858,806,344.80

Finding the Fourth Proportional to 2,605,900,917.60, 3,909,418,246.80 and 858,806,344.80

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Solution

The fourth proportional to 2,605,900,917.60, 3,909,418,246.80 and 858,806,344.80 is: 1,288,396,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,900,917.60 : 3,909,418,246.80 = 858,806,344.80 : x
  2. Step 2: Convert to fraction form
    2,605,900,917.60/3,909,418,246.80 = 858,806,344.80/x
  3. Step 3: Cross multiply
    2,605,900,917.60x = 3,909,418,246.80 × 858,806,344.80
  4. Step 4: Simplify right side
    2,605,900,917.60x = 3,357,433,194,828,732,416
  5. Step 5: Solve for x
    x = 3,357,433,194,828,732,416/2,605,900,917.60
  6. Step 6: Final answer
    x = 1,288,396,336.24

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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.