Home / 1,493,406,043.20-2,238,195,877.20-1,328,871,909.60

Finding the Fourth Proportional to 1,493,406,043.20, 2,238,195,877.20 and 1,328,871,909.60

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Solution

The fourth proportional to 1,493,406,043.20, 2,238,195,877.20 and 1,328,871,909.60 is: 1,991,605,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,406,043.20 : 2,238,195,877.20 = 1,328,871,909.60 : x
  2. Step 2: Convert to fraction form
    1,493,406,043.20/2,238,195,877.20 = 1,328,871,909.60/x
  3. Step 3: Cross multiply
    1,493,406,043.20x = 2,238,195,877.20 × 1,328,871,909.60
  4. Step 4: Simplify right side
    1,493,406,043.20x = 2,974,275,629,393,610,752
  5. Step 5: Solve for x
    x = 2,974,275,629,393,610,752/1,493,406,043.20
  6. Step 6: Final answer
    x = 1,991,605,459.84

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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.