Home / 1,487,512,201.80-2,231,268,302.70-1,396,812,937.80

Finding the Fourth Proportional to 1,487,512,201.80, 2,231,268,302.70 and 1,396,812,937.80

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Solution

The fourth proportional to 1,487,512,201.80, 2,231,268,302.70 and 1,396,812,937.80 is: 2,095,219,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,512,201.80 : 2,231,268,302.70 = 1,396,812,937.80 : x
  2. Step 2: Convert to fraction form
    1,487,512,201.80/2,231,268,302.70 = 1,396,812,937.80/x
  3. Step 3: Cross multiply
    1,487,512,201.80x = 2,231,268,302.70 × 1,396,812,937.80
  4. Step 4: Simplify right side
    1,487,512,201.80x = 3,116,664,432,914,406,400
  5. Step 5: Solve for x
    x = 3,116,664,432,914,406,400/1,487,512,201.80
  6. Step 6: Final answer
    x = 2,095,219,406.70

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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.