Home / 1,729,842,044.56-2,387,220,568.68-987,271,213.84

Finding the Fourth Proportional to 1,729,842,044.56, 2,387,220,568.68 and 987,271,213.84

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Solution

The fourth proportional to 1,729,842,044.56, 2,387,220,568.68 and 987,271,213.84 is: 1,362,456,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,842,044.56 : 2,387,220,568.68 = 987,271,213.84 : x
  2. Step 2: Convert to fraction form
    1,729,842,044.56/2,387,220,568.68 = 987,271,213.84/x
  3. Step 3: Cross multiply
    1,729,842,044.56x = 2,387,220,568.68 × 987,271,213.84
  4. Step 4: Simplify right side
    1,729,842,044.56x = 2,356,834,148,544,518,656
  5. Step 5: Solve for x
    x = 2,356,834,148,544,518,656/1,729,842,044.56
  6. Step 6: Final answer
    x = 1,362,456,275.10

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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.