Home / 8,661,565,151.12-11,952,639,843.72-4,701,181,788.56

Finding the Fourth Proportional to 8,661,565,151.12, 11,952,639,843.72 and 4,701,181,788.56

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Solution

The fourth proportional to 8,661,565,151.12, 11,952,639,843.72 and 4,701,181,788.56 is: 6,487,457,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,565,151.12 : 11,952,639,843.72 = 4,701,181,788.56 : x
  2. Step 2: Convert to fraction form
    8,661,565,151.12/11,952,639,843.72 = 4,701,181,788.56/x
  3. Step 3: Cross multiply
    8,661,565,151.12x = 11,952,639,843.72 × 4,701,181,788.56
  4. Step 4: Simplify right side
    8,661,565,151.12x = 56,191,532,758,513,106,944
  5. Step 5: Solve for x
    x = 56,191,532,758,513,106,944/8,661,565,151.12
  6. Step 6: Final answer
    x = 6,487,457,148.69

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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.