Home / 1,818,936,265.60-2,728,404,398.40-992,439,222.40

Finding the Fourth Proportional to 1,818,936,265.60, 2,728,404,398.40 and 992,439,222.40

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Solution

The fourth proportional to 1,818,936,265.60, 2,728,404,398.40 and 992,439,222.40 is: 1,488,658,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,936,265.60 : 2,728,404,398.40 = 992,439,222.40 : x
  2. Step 2: Convert to fraction form
    1,818,936,265.60/2,728,404,398.40 = 992,439,222.40/x
  3. Step 3: Cross multiply
    1,818,936,265.60x = 2,728,404,398.40 × 992,439,222.40
  4. Step 4: Simplify right side
    1,818,936,265.60x = 2,707,775,539,540,835,840
  5. Step 5: Solve for x
    x = 2,707,775,539,540,835,840/1,818,936,265.60
  6. Step 6: Final answer
    x = 1,488,658,833.60

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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.