Home / 10,382,456,435.28-15,573,684,832.80-2,521,815,782.40

Finding the Fourth Proportional to 10,382,456,435.28, 15,573,684,832.80 and 2,521,815,782.40

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Solution

The fourth proportional to 10,382,456,435.28, 15,573,684,832.80 and 2,521,815,782.40 is: 3,782,723,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,456,435.28 : 15,573,684,832.80 = 2,521,815,782.40 : x
  2. Step 2: Convert to fraction form
    10,382,456,435.28/15,573,684,832.80 = 2,521,815,782.40/x
  3. Step 3: Cross multiply
    10,382,456,435.28x = 15,573,684,832.80 × 2,521,815,782.40
  4. Step 4: Simplify right side
    10,382,456,435.28x = 39,273,964,201,478,545,408
  5. Step 5: Solve for x
    x = 39,273,964,201,478,545,408/10,382,456,435.28
  6. Step 6: Final answer
    x = 3,782,723,717.29

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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.