Home / 1,640,810,133.60-2,461,215,200.40-1,583,479,240.80

Finding the Fourth Proportional to 1,640,810,133.60, 2,461,215,200.40 and 1,583,479,240.80

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Solution

The fourth proportional to 1,640,810,133.60, 2,461,215,200.40 and 1,583,479,240.80 is: 2,375,218,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,810,133.60 : 2,461,215,200.40 = 1,583,479,240.80 : x
  2. Step 2: Convert to fraction form
    1,640,810,133.60/2,461,215,200.40 = 1,583,479,240.80/x
  3. Step 3: Cross multiply
    1,640,810,133.60x = 2,461,215,200.40 × 1,583,479,240.80
  4. Step 4: Simplify right side
    1,640,810,133.60x = 3,897,283,176,974,811,648
  5. Step 5: Solve for x
    x = 3,897,283,176,974,811,648/1,640,810,133.60
  6. Step 6: Final answer
    x = 2,375,218,861.20

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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.