Home / 13,151,009,684.52-18,149,746,024.65-8,001,422,741.54

Finding the Fourth Proportional to 13,151,009,684.52, 18,149,746,024.65 and 8,001,422,741.54

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Solution

The fourth proportional to 13,151,009,684.52, 18,149,746,024.65 and 8,001,422,741.54 is: 11,042,786,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,009,684.52 : 18,149,746,024.65 = 8,001,422,741.54 : x
  2. Step 2: Convert to fraction form
    13,151,009,684.52/18,149,746,024.65 = 8,001,422,741.54/x
  3. Step 3: Cross multiply
    13,151,009,684.52x = 18,149,746,024.65 × 8,001,422,741.54
  4. Step 4: Simplify right side
    13,151,009,684.52x = 145,223,790,594,833,235,968
  5. Step 5: Solve for x
    x = 145,223,790,594,833,235,968/13,151,009,684.52
  6. Step 6: Final answer
    x = 11,042,786,377.52

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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.