Home / 2,485,693,882.78-3,729,031,999.77-911,815,800.82

Finding the Fourth Proportional to 2,485,693,882.78, 3,729,031,999.77 and 911,815,800.82

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Solution

The fourth proportional to 2,485,693,882.78, 3,729,031,999.77 and 911,815,800.82 is: 1,367,903,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,693,882.78 : 3,729,031,999.77 = 911,815,800.82 : x
  2. Step 2: Convert to fraction form
    2,485,693,882.78/3,729,031,999.77 = 911,815,800.82/x
  3. Step 3: Cross multiply
    2,485,693,882.78x = 3,729,031,999.77 × 911,815,800.82
  4. Step 4: Simplify right side
    2,485,693,882.78x = 3,400,190,299,153,688,576
  5. Step 5: Solve for x
    x = 3,400,190,299,153,688,576/2,485,693,882.78
  6. Step 6: Final answer
    x = 1,367,903,876.95

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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.