Home / 378,340,340.40-567,510,510.60-173,868,415.65

Finding the Fourth Proportional to 378,340,340.40, 567,510,510.60 and 173,868,415.65

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Solution

The fourth proportional to 378,340,340.40, 567,510,510.60 and 173,868,415.65 is: 260,802,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,340,340.40 : 567,510,510.60 = 173,868,415.65 : x
  2. Step 2: Convert to fraction form
    378,340,340.40/567,510,510.60 = 173,868,415.65/x
  3. Step 3: Cross multiply
    378,340,340.40x = 567,510,510.60 × 173,868,415.65
  4. Step 4: Simplify right side
    378,340,340.40x = 98,672,153,342,744,544
  5. Step 5: Solve for x
    x = 98,672,153,342,744,544/378,340,340.40
  6. Step 6: Final answer
    x = 260,802,623.48

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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.