Home / 2,199,641,444.80-3,299,462,167.20-1,915,533,086.20

Finding the Fourth Proportional to 2,199,641,444.80, 3,299,462,167.20 and 1,915,533,086.20

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Solution

The fourth proportional to 2,199,641,444.80, 3,299,462,167.20 and 1,915,533,086.20 is: 2,873,299,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,641,444.80 : 3,299,462,167.20 = 1,915,533,086.20 : x
  2. Step 2: Convert to fraction form
    2,199,641,444.80/3,299,462,167.20 = 1,915,533,086.20/x
  3. Step 3: Cross multiply
    2,199,641,444.80x = 3,299,462,167.20 × 1,915,533,086.20
  4. Step 4: Simplify right side
    2,199,641,444.80x = 6,320,228,947,936,755,712
  5. Step 5: Solve for x
    x = 6,320,228,947,936,755,712/2,199,641,444.80
  6. Step 6: Final answer
    x = 2,873,299,629.30

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Double scale
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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.