Home / 578,351,117.80-867,521,147.10-141,653,722.60

Finding the Fourth Proportional to 578,351,117.80, 867,521,147.10 and 141,653,722.60

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Solution

The fourth proportional to 578,351,117.80, 867,521,147.10 and 141,653,722.60 is: 212,479,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,351,117.80 : 867,521,147.10 = 141,653,722.60 : x
  2. Step 2: Convert to fraction form
    578,351,117.80/867,521,147.10 = 141,653,722.60/x
  3. Step 3: Cross multiply
    578,351,117.80x = 867,521,147.10 × 141,653,722.60
  4. Step 4: Simplify right side
    578,351,117.80x = 122,887,599,920,937,200
  5. Step 5: Solve for x
    x = 122,887,599,920,937,200/578,351,117.80
  6. Step 6: Final answer
    x = 212,479,229.55

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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.