Home / 8,055,776,485.59-11,115,495,781.68-4,487,394,589.71

Finding the Fourth Proportional to 8,055,776,485.59, 11,115,495,781.68 and 4,487,394,589.71

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Solution

The fourth proportional to 8,055,776,485.59, 11,115,495,781.68 and 4,487,394,589.71 is: 6,191,782,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055,776,485.59 : 11,115,495,781.68 = 4,487,394,589.71 : x
  2. Step 2: Convert to fraction form
    8,055,776,485.59/11,115,495,781.68 = 4,487,394,589.71/x
  3. Step 3: Cross multiply
    8,055,776,485.59x = 11,115,495,781.68 × 4,487,394,589.71
  4. Step 4: Simplify right side
    8,055,776,485.59x = 49,879,615,632,655,163,392
  5. Step 5: Solve for x
    x = 49,879,615,632,655,163,392/8,055,776,485.59
  6. Step 6: Final answer
    x = 6,191,782,470.86

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Double scale
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1.5x scale

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.