Home / 8,518,721,012.15-12,778,341,836.67-2,922,579,600.31

Finding the Fourth Proportional to 8,518,721,012.15, 12,778,341,836.67 and 2,922,579,600.31

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Solution

The fourth proportional to 8,518,721,012.15, 12,778,341,836.67 and 2,922,579,600.31 is: 4,383,958,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,721,012.15 : 12,778,341,836.67 = 2,922,579,600.31 : x
  2. Step 2: Convert to fraction form
    8,518,721,012.15/12,778,341,836.67 = 2,922,579,600.31/x
  3. Step 3: Cross multiply
    8,518,721,012.15x = 12,778,341,836.67 × 2,922,579,600.31
  4. Step 4: Simplify right side
    8,518,721,012.15x = 37,345,721,177,607,610,368
  5. Step 5: Solve for x
    x = 37,345,721,177,607,610,368/8,518,721,012.15
  6. Step 6: Final answer
    x = 4,383,958,709.80

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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.