Home / 1,728,615,078.36-2,385,715,892.22-985,888,883.16

Finding the Fourth Proportional to 1,728,615,078.36, 2,385,715,892.22 and 985,888,883.16

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Solution

The fourth proportional to 1,728,615,078.36, 2,385,715,892.22 and 985,888,883.16 is: 1,360,656,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,615,078.36 : 2,385,715,892.22 = 985,888,883.16 : x
  2. Step 2: Convert to fraction form
    1,728,615,078.36/2,385,715,892.22 = 985,888,883.16/x
  3. Step 3: Cross multiply
    1,728,615,078.36x = 2,385,715,892.22 × 985,888,883.16
  4. Step 4: Simplify right side
    1,728,615,078.36x = 2,352,050,776,517,838,336
  5. Step 5: Solve for x
    x = 2,352,050,776,517,838,336/1,728,615,078.36
  6. Step 6: Final answer
    x = 1,360,656,172.66

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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.