Home / 8,518,721,011.40-12,778,341,835.55-2,922,579,599.56

Finding the Fourth Proportional to 8,518,721,011.40, 12,778,341,835.55 and 2,922,579,599.56

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Solution

The fourth proportional to 8,518,721,011.40, 12,778,341,835.55 and 2,922,579,599.56 is: 4,383,958,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,721,011.40 : 12,778,341,835.55 = 2,922,579,599.56 : x
  2. Step 2: Convert to fraction form
    8,518,721,011.40/12,778,341,835.55 = 2,922,579,599.56/x
  3. Step 3: Cross multiply
    8,518,721,011.40x = 12,778,341,835.55 × 2,922,579,599.56
  4. Step 4: Simplify right side
    8,518,721,011.40x = 37,345,721,164,735,954,944
  5. Step 5: Solve for x
    x = 37,345,721,164,735,954,944/8,518,721,011.40
  6. Step 6: Final answer
    x = 4,383,958,708.68

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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.