Home / 1,314,981,010.20-1,968,696,641.70-1,277,232,274.20

Finding the Fourth Proportional to 1,314,981,010.20, 1,968,696,641.70 and 1,277,232,274.20

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Solution

The fourth proportional to 1,314,981,010.20, 1,968,696,641.70 and 1,277,232,274.20 is: 1,912,181,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,981,010.20 : 1,968,696,641.70 = 1,277,232,274.20 : x
  2. Step 2: Convert to fraction form
    1,314,981,010.20/1,968,696,641.70 = 1,277,232,274.20/x
  3. Step 3: Cross multiply
    1,314,981,010.20x = 1,968,696,641.70 × 1,277,232,274.20
  4. Step 4: Simplify right side
    1,314,981,010.20x = 2,514,482,888,888,393,728
  5. Step 5: Solve for x
    x = 2,514,482,888,888,393,728/1,314,981,010.20
  6. Step 6: Final answer
    x = 1,912,181,901.78

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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.