Home / 72,787,968,000.80-109,181,952,001.20-33,605,885,952.80

Finding the Fourth Proportional to 72,787,968,000.80, 109,181,952,001.20 and 33,605,885,952.80

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Solution

The fourth proportional to 72,787,968,000.80, 109,181,952,001.20 and 33,605,885,952.80 is: 50,408,828,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,787,968,000.80 : 109,181,952,001.20 = 33,605,885,952.80 : x
  2. Step 2: Convert to fraction form
    72,787,968,000.80/109,181,952,001.20 = 33,605,885,952.80/x
  3. Step 3: Cross multiply
    72,787,968,000.80x = 109,181,952,001.20 × 33,605,885,952.80
  4. Step 4: Simplify right side
    72,787,968,000.80x = 3,669,156,227,056,410,820,608
  5. Step 5: Solve for x
    x = 3,669,156,227,056,410,820,608/72,787,968,000.80
  6. Step 6: Final answer
    x = 50,408,828,929.20

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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.