Home / 1,766,181,336.70-2,649,272,005.05-1,215,183,307.90

Finding the Fourth Proportional to 1,766,181,336.70, 2,649,272,005.05 and 1,215,183,307.90

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Solution

The fourth proportional to 1,766,181,336.70, 2,649,272,005.05 and 1,215,183,307.90 is: 1,822,774,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,181,336.70 : 2,649,272,005.05 = 1,215,183,307.90 : x
  2. Step 2: Convert to fraction form
    1,766,181,336.70/2,649,272,005.05 = 1,215,183,307.90/x
  3. Step 3: Cross multiply
    1,766,181,336.70x = 2,649,272,005.05 × 1,215,183,307.90
  4. Step 4: Simplify right side
    1,766,181,336.70x = 3,219,351,118,623,524,864
  5. Step 5: Solve for x
    x = 3,219,351,118,623,524,864/1,766,181,336.70
  6. Step 6: Final answer
    x = 1,822,774,961.85

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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.