Home / 10,392,623,999.20-15,588,935,998.80-9,657,959,960.80

Finding the Fourth Proportional to 10,392,623,999.20, 15,588,935,998.80 and 9,657,959,960.80

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Solution

The fourth proportional to 10,392,623,999.20, 15,588,935,998.80 and 9,657,959,960.80 is: 14,486,939,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,623,999.20 : 15,588,935,998.80 = 9,657,959,960.80 : x
  2. Step 2: Convert to fraction form
    10,392,623,999.20/15,588,935,998.80 = 9,657,959,960.80/x
  3. Step 3: Cross multiply
    10,392,623,999.20x = 15,588,935,998.80 × 9,657,959,960.80
  4. Step 4: Simplify right side
    10,392,623,999.20x = 150,557,319,707,884,126,208
  5. Step 5: Solve for x
    x = 150,557,319,707,884,126,208/10,392,623,999.20
  6. Step 6: Final answer
    x = 14,486,939,941.20

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Double scale
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Similar ratio
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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.