Home / 5,638,864,541.76-7,781,177,514.96-3,260,155,772.16

Finding the Fourth Proportional to 5,638,864,541.76, 7,781,177,514.96 and 3,260,155,772.16

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Solution

The fourth proportional to 5,638,864,541.76, 7,781,177,514.96 and 3,260,155,772.16 is: 4,498,751,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,864,541.76 : 7,781,177,514.96 = 3,260,155,772.16 : x
  2. Step 2: Convert to fraction form
    5,638,864,541.76/7,781,177,514.96 = 3,260,155,772.16/x
  3. Step 3: Cross multiply
    5,638,864,541.76x = 7,781,177,514.96 × 3,260,155,772.16
  4. Step 4: Simplify right side
    5,638,864,541.76x = 25,367,850,789,598,449,664
  5. Step 5: Solve for x
    x = 25,367,850,789,598,449,664/5,638,864,541.76
  6. Step 6: Final answer
    x = 4,498,751,584.07

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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.