Home / 1,669,716,092.40-2,504,574,138.60-579,309,385.20

Finding the Fourth Proportional to 1,669,716,092.40, 2,504,574,138.60 and 579,309,385.20

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Solution

The fourth proportional to 1,669,716,092.40, 2,504,574,138.60 and 579,309,385.20 is: 868,964,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,716,092.40 : 2,504,574,138.60 = 579,309,385.20 : x
  2. Step 2: Convert to fraction form
    1,669,716,092.40/2,504,574,138.60 = 579,309,385.20/x
  3. Step 3: Cross multiply
    1,669,716,092.40x = 2,504,574,138.60 × 579,309,385.20
  4. Step 4: Simplify right side
    1,669,716,092.40x = 1,450,923,304,420,185,600
  5. Step 5: Solve for x
    x = 1,450,923,304,420,185,600/1,669,716,092.40
  6. Step 6: Final answer
    x = 868,964,077.80

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Double scale
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Similar ratio
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1.5x scale

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.