Home / 20,155,824,186.80-30,233,736,280.20-14,278,511,879.60

Finding the Fourth Proportional to 20,155,824,186.80, 30,233,736,280.20 and 14,278,511,879.60

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Solution

The fourth proportional to 20,155,824,186.80, 30,233,736,280.20 and 14,278,511,879.60 is: 21,417,767,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,824,186.80 : 30,233,736,280.20 = 14,278,511,879.60 : x
  2. Step 2: Convert to fraction form
    20,155,824,186.80/30,233,736,280.20 = 14,278,511,879.60/x
  3. Step 3: Cross multiply
    20,155,824,186.80x = 30,233,736,280.20 × 14,278,511,879.60
  4. Step 4: Simplify right side
    20,155,824,186.80x = 431,692,762,641,529,241,600
  5. Step 5: Solve for x
    x = 431,692,762,641,529,241,600/20,155,824,186.80
  6. Step 6: Final answer
    x = 21,417,767,819.40

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Double scale
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1.5x scale

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.