Home / 990,253,658.88-1,366,582,813.20-544,232,831.76

Finding the Fourth Proportional to 990,253,658.88, 1,366,582,813.20 and 544,232,831.76

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Solution

The fourth proportional to 990,253,658.88, 1,366,582,813.20 and 544,232,831.76 is: 751,059,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,253,658.88 : 1,366,582,813.20 = 544,232,831.76 : x
  2. Step 2: Convert to fraction form
    990,253,658.88/1,366,582,813.20 = 544,232,831.76/x
  3. Step 3: Cross multiply
    990,253,658.88x = 1,366,582,813.20 × 544,232,831.76
  4. Step 4: Simplify right side
    990,253,658.88x = 743,739,234,262,383,104
  5. Step 5: Solve for x
    x = 743,739,234,262,383,104/990,253,658.88
  6. Step 6: Final answer
    x = 751,059,314.54

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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.