Home / 2,269,121,123.56-3,131,387,281.32-1,226,079,587.56

Finding the Fourth Proportional to 2,269,121,123.56, 3,131,387,281.32 and 1,226,079,587.56

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Solution

The fourth proportional to 2,269,121,123.56, 3,131,387,281.32 and 1,226,079,587.56 is: 1,691,989,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,121,123.56 : 3,131,387,281.32 = 1,226,079,587.56 : x
  2. Step 2: Convert to fraction form
    2,269,121,123.56/3,131,387,281.32 = 1,226,079,587.56/x
  3. Step 3: Cross multiply
    2,269,121,123.56x = 3,131,387,281.32 × 1,226,079,587.56
  4. Step 4: Simplify right side
    2,269,121,123.56x = 3,839,330,026,371,455,488
  5. Step 5: Solve for x
    x = 3,839,330,026,371,455,488/2,269,121,123.56
  6. Step 6: Final answer
    x = 1,691,989,901.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.