Home / 1,827,049,128-2,521,260,282.45-991,655,762.46

Finding the Fourth Proportional to 1,827,049,128, 2,521,260,282.45 and 991,655,762.46

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Solution

The fourth proportional to 1,827,049,128, 2,521,260,282.45 and 991,655,762.46 is: 1,368,448,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,049,128 : 2,521,260,282.45 = 991,655,762.46 : x
  2. Step 2: Convert to fraction form
    1,827,049,128/2,521,260,282.45 = 991,655,762.46/x
  3. Step 3: Cross multiply
    1,827,049,128x = 2,521,260,282.45 × 991,655,762.46
  4. Step 4: Simplify right side
    1,827,049,128x = 2,500,222,287,753,069,568
  5. Step 5: Solve for x
    x = 2,500,222,287,753,069,568/1,827,049,128
  6. Step 6: Final answer
    x = 1,368,448,307.95

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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.