Home / 8,518,721,013.28-12,778,341,838.36-2,922,579,601.43

Finding the Fourth Proportional to 8,518,721,013.28, 12,778,341,838.36 and 2,922,579,601.43

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Solution

The fourth proportional to 8,518,721,013.28, 12,778,341,838.36 and 2,922,579,601.43 is: 4,383,958,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,721,013.28 : 12,778,341,838.36 = 2,922,579,601.43 : x
  2. Step 2: Convert to fraction form
    8,518,721,013.28/12,778,341,838.36 = 2,922,579,601.43/x
  3. Step 3: Cross multiply
    8,518,721,013.28x = 12,778,341,838.36 × 2,922,579,601.43
  4. Step 4: Simplify right side
    8,518,721,013.28x = 37,345,721,196,916,563,968
  5. Step 5: Solve for x
    x = 37,345,721,196,916,563,968/8,518,721,013.28
  6. Step 6: Final answer
    x = 4,383,958,711.49

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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.