Home / 1,088,972,338.60-1,634,096,237.10-398,949,344.20

Finding the Fourth Proportional to 1,088,972,338.60, 1,634,096,237.10 and 398,949,344.20

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Solution

The fourth proportional to 1,088,972,338.60, 1,634,096,237.10 and 398,949,344.20 is: 598,657,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,972,338.60 : 1,634,096,237.10 = 398,949,344.20 : x
  2. Step 2: Convert to fraction form
    1,088,972,338.60/1,634,096,237.10 = 398,949,344.20/x
  3. Step 3: Cross multiply
    1,088,972,338.60x = 1,634,096,237.10 × 398,949,344.20
  4. Step 4: Simplify right side
    1,088,972,338.60x = 651,921,622,150,732,672
  5. Step 5: Solve for x
    x = 651,921,622,150,732,672/1,088,972,338.60
  6. Step 6: Final answer
    x = 598,657,650.93

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Double scale
Find fourth proportional to 1,088,972,339.60, 1,634,096,238.60 and 398,949,345.20
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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.