Home / 1,465,779,760.20-2,198,669,640.30-1,320,660,937.80

Finding the Fourth Proportional to 1,465,779,760.20, 2,198,669,640.30 and 1,320,660,937.80

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Solution

The fourth proportional to 1,465,779,760.20, 2,198,669,640.30 and 1,320,660,937.80 is: 1,980,991,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,779,760.20 : 2,198,669,640.30 = 1,320,660,937.80 : x
  2. Step 2: Convert to fraction form
    1,465,779,760.20/2,198,669,640.30 = 1,320,660,937.80/x
  3. Step 3: Cross multiply
    1,465,779,760.20x = 2,198,669,640.30 × 1,320,660,937.80
  4. Step 4: Simplify right side
    1,465,779,760.20x = 2,903,697,109,070,986,752
  5. Step 5: Solve for x
    x = 2,903,697,109,070,986,752/1,465,779,760.20
  6. Step 6: Final answer
    x = 1,980,991,406.70

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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.