Home / 1,345,187,998.80-2,017,781,998.20-1,130,910,987.60

Finding the Fourth Proportional to 1,345,187,998.80, 2,017,781,998.20 and 1,130,910,987.60

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Solution

The fourth proportional to 1,345,187,998.80, 2,017,781,998.20 and 1,130,910,987.60 is: 1,696,366,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,187,998.80 : 2,017,781,998.20 = 1,130,910,987.60 : x
  2. Step 2: Convert to fraction form
    1,345,187,998.80/2,017,781,998.20 = 1,130,910,987.60/x
  3. Step 3: Cross multiply
    1,345,187,998.80x = 2,017,781,998.20 × 1,130,910,987.60
  4. Step 4: Simplify right side
    1,345,187,998.80x = 2,281,931,832,345,863,168
  5. Step 5: Solve for x
    x = 2,281,931,832,345,863,168/1,345,187,998.80
  6. Step 6: Final answer
    x = 1,696,366,481.40

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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.