Home / 2,808,202,287.71-4,211,309,854.76-815,829,839.35

Finding the Fourth Proportional to 2,808,202,287.71, 4,211,309,854.76 and 815,829,839.35

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Solution

The fourth proportional to 2,808,202,287.71, 4,211,309,854.76 and 815,829,839.35 is: 1,223,456,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,202,287.71 : 4,211,309,854.76 = 815,829,839.35 : x
  2. Step 2: Convert to fraction form
    2,808,202,287.71/4,211,309,854.76 = 815,829,839.35/x
  3. Step 3: Cross multiply
    2,808,202,287.71x = 4,211,309,854.76 × 815,829,839.35
  4. Step 4: Simplify right side
    2,808,202,287.71x = 3,435,712,242,247,314,944
  5. Step 5: Solve for x
    x = 3,435,712,242,247,314,944/2,808,202,287.71
  6. Step 6: Final answer
    x = 1,223,456,108.30

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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.