Home / 1,726,277,129.40-2,589,415,694.10-988,589,782.20

Finding the Fourth Proportional to 1,726,277,129.40, 2,589,415,694.10 and 988,589,782.20

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Solution

The fourth proportional to 1,726,277,129.40, 2,589,415,694.10 and 988,589,782.20 is: 1,482,884,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,277,129.40 : 2,589,415,694.10 = 988,589,782.20 : x
  2. Step 2: Convert to fraction form
    1,726,277,129.40/2,589,415,694.10 = 988,589,782.20/x
  3. Step 3: Cross multiply
    1,726,277,129.40x = 2,589,415,694.10 × 988,589,782.20
  4. Step 4: Simplify right side
    1,726,277,129.40x = 2,559,869,897,055,580,672
  5. Step 5: Solve for x
    x = 2,559,869,897,055,580,672/1,726,277,129.40
  6. Step 6: Final answer
    x = 1,482,884,673.30

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Double scale
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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.