Home / 312,185,417,555.75-468,187,281,205.20-120,914,794,682.29

Finding the Fourth Proportional to 312,185,417,555.75, 468,187,281,205.20 and 120,914,794,682.29

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Solution

The fourth proportional to 312,185,417,555.75, 468,187,281,205.20 and 120,914,794,682.29 is: 181,337,006,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185,417,555.75 : 468,187,281,205.20 = 120,914,794,682.29 : x
  2. Step 2: Convert to fraction form
    312,185,417,555.75/468,187,281,205.20 = 120,914,794,682.29/x
  3. Step 3: Cross multiply
    312,185,417,555.75x = 468,187,281,205.20 × 120,914,794,682.29
  4. Step 4: Simplify right side
    312,185,417,555.75x = 56,610,768,979,786,331,062,272
  5. Step 5: Solve for x
    x = 56,610,768,979,786,331,062,272/312,185,417,555.75
  6. Step 6: Final answer
    x = 181,337,006,138.91

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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.