Home / 312,185,417,555.62-468,187,281,205-120,914,794,682.16

Finding the Fourth Proportional to 312,185,417,555.62, 468,187,281,205 and 120,914,794,682.16

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Solution

The fourth proportional to 312,185,417,555.62, 468,187,281,205 and 120,914,794,682.16 is: 181,337,006,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185,417,555.62 : 468,187,281,205 = 120,914,794,682.16 : x
  2. Step 2: Convert to fraction form
    312,185,417,555.62/468,187,281,205 = 120,914,794,682.16/x
  3. Step 3: Cross multiply
    312,185,417,555.62x = 468,187,281,205 × 120,914,794,682.16
  4. Step 4: Simplify right side
    312,185,417,555.62x = 56,610,768,979,701,287,354,368
  5. Step 5: Solve for x
    x = 56,610,768,979,701,287,354,368/312,185,417,555.62
  6. Step 6: Final answer
    x = 181,337,006,138.72

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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.