Home / 1,990,454,751.36-2,747,373,897.60-1,155,348,367.20

Finding the Fourth Proportional to 1,990,454,751.36, 2,747,373,897.60 and 1,155,348,367.20

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Solution

The fourth proportional to 1,990,454,751.36, 2,747,373,897.60 and 1,155,348,367.20 is: 1,594,697,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,454,751.36 : 2,747,373,897.60 = 1,155,348,367.20 : x
  2. Step 2: Convert to fraction form
    1,990,454,751.36/2,747,373,897.60 = 1,155,348,367.20/x
  3. Step 3: Cross multiply
    1,990,454,751.36x = 2,747,373,897.60 × 1,155,348,367.20
  4. Step 4: Simplify right side
    1,990,454,751.36x = 3,174,173,946,680,059,904
  5. Step 5: Solve for x
    x = 3,174,173,946,680,059,904/1,990,454,751.36
  6. Step 6: Final answer
    x = 1,594,697,867.16

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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.