Home / 1,521,966,929.52-2,100,325,112.28-826,605,905.52

Finding the Fourth Proportional to 1,521,966,929.52, 2,100,325,112.28 and 826,605,905.52

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Solution

The fourth proportional to 1,521,966,929.52, 2,100,325,112.28 and 826,605,905.52 is: 1,140,721,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,966,929.52 : 2,100,325,112.28 = 826,605,905.52 : x
  2. Step 2: Convert to fraction form
    1,521,966,929.52/2,100,325,112.28 = 826,605,905.52/x
  3. Step 3: Cross multiply
    1,521,966,929.52x = 2,100,325,112.28 × 826,605,905.52
  4. Step 4: Simplify right side
    1,521,966,929.52x = 1,736,141,141,322,605,056
  5. Step 5: Solve for x
    x = 1,736,141,141,322,605,056/1,521,966,929.52
  6. Step 6: Final answer
    x = 1,140,721,987.88

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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.