Home / 628,054,049,109.85-942,355,095,228.77-219,933,343,841.73

Finding the Fourth Proportional to 628,054,049,109.85, 942,355,095,228.77 and 219,933,343,841.73

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Solution

The fourth proportional to 628,054,049,109.85, 942,355,095,228.77 and 219,933,343,841.73 is: 329,995,973,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,054,049,109.85 : 942,355,095,228.77 = 219,933,343,841.73 : x
  2. Step 2: Convert to fraction form
    628,054,049,109.85/942,355,095,228.77 = 219,933,343,841.73/x
  3. Step 3: Cross multiply
    628,054,049,109.85x = 942,355,095,228.77 × 219,933,343,841.73
  4. Step 4: Simplify right side
    628,054,049,109.85x = 207,255,307,179,955,304,005,632
  5. Step 5: Solve for x
    x = 207,255,307,179,955,304,005,632/628,054,049,109.85
  6. Step 6: Final answer
    x = 329,995,973,234.63

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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.