Home / 1,235,840,043.20-1,853,760,064.80-374,239,889.60

Finding the Fourth Proportional to 1,235,840,043.20, 1,853,760,064.80 and 374,239,889.60

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Solution

The fourth proportional to 1,235,840,043.20, 1,853,760,064.80 and 374,239,889.60 is: 561,359,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,840,043.20 : 1,853,760,064.80 = 374,239,889.60 : x
  2. Step 2: Convert to fraction form
    1,235,840,043.20/1,853,760,064.80 = 374,239,889.60/x
  3. Step 3: Cross multiply
    1,235,840,043.20x = 1,853,760,064.80 × 374,239,889.60
  4. Step 4: Simplify right side
    1,235,840,043.20x = 693,750,961,995,640,832
  5. Step 5: Solve for x
    x = 693,750,961,995,640,832/1,235,840,043.20
  6. Step 6: Final answer
    x = 561,359,834.40

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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.