Home / 2,085,846,281.40-3,128,769,422.10-1,310,036,899.80

Finding the Fourth Proportional to 2,085,846,281.40, 3,128,769,422.10 and 1,310,036,899.80

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Solution

The fourth proportional to 2,085,846,281.40, 3,128,769,422.10 and 1,310,036,899.80 is: 1,965,055,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,846,281.40 : 3,128,769,422.10 = 1,310,036,899.80 : x
  2. Step 2: Convert to fraction form
    2,085,846,281.40/3,128,769,422.10 = 1,310,036,899.80/x
  3. Step 3: Cross multiply
    2,085,846,281.40x = 3,128,769,422.10 × 1,310,036,899.80
  4. Step 4: Simplify right side
    2,085,846,281.40x = 4,098,803,393,916,921,344
  5. Step 5: Solve for x
    x = 4,098,803,393,916,921,344/2,085,846,281.40
  6. Step 6: Final answer
    x = 1,965,055,349.70

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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.