Home / 2,215,656,071.60-3,320,796,721.80-987,520,852.40

Finding the Fourth Proportional to 2,215,656,071.60, 3,320,796,721.80 and 987,520,852.40

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Solution

The fourth proportional to 2,215,656,071.60, 3,320,796,721.80 and 987,520,852.40 is: 1,480,083,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,656,071.60 : 3,320,796,721.80 = 987,520,852.40 : x
  2. Step 2: Convert to fraction form
    2,215,656,071.60/3,320,796,721.80 = 987,520,852.40/x
  3. Step 3: Cross multiply
    2,215,656,071.60x = 3,320,796,721.80 × 987,520,852.40
  4. Step 4: Simplify right side
    2,215,656,071.60x = 3,279,356,009,359,062,016
  5. Step 5: Solve for x
    x = 3,279,356,009,359,062,016/2,215,656,071.60
  6. Step 6: Final answer
    x = 1,480,083,507.27

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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.