Home / 2,628,288,127.70-3,942,432,191.55-1,338,343,039.70

Finding the Fourth Proportional to 2,628,288,127.70, 3,942,432,191.55 and 1,338,343,039.70

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Solution

The fourth proportional to 2,628,288,127.70, 3,942,432,191.55 and 1,338,343,039.70 is: 2,007,514,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,288,127.70 : 3,942,432,191.55 = 1,338,343,039.70 : x
  2. Step 2: Convert to fraction form
    2,628,288,127.70/3,942,432,191.55 = 1,338,343,039.70/x
  3. Step 3: Cross multiply
    2,628,288,127.70x = 3,942,432,191.55 × 1,338,343,039.70
  4. Step 4: Simplify right side
    2,628,288,127.70x = 5,276,326,683,050,160,128
  5. Step 5: Solve for x
    x = 5,276,326,683,050,160,128/2,628,288,127.70
  6. Step 6: Final answer
    x = 2,007,514,559.55

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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.