Home / 986,733,332.86-1,480,191,328.42-322,751,122.42

Finding the Fourth Proportional to 986,733,332.86, 1,480,191,328.42 and 322,751,122.42

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Solution

The fourth proportional to 986,733,332.86, 1,480,191,328.42 and 322,751,122.42 is: 484,156,556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,733,332.86 : 1,480,191,328.42 = 322,751,122.42 : x
  2. Step 2: Convert to fraction form
    986,733,332.86/1,480,191,328.42 = 322,751,122.42/x
  3. Step 3: Cross multiply
    986,733,332.86x = 1,480,191,328.42 × 322,751,122.42
  4. Step 4: Simplify right side
    986,733,332.86x = 477,733,412,643,905,920
  5. Step 5: Solve for x
    x = 477,733,412,643,905,920/986,733,332.86
  6. Step 6: Final answer
    x = 484,156,556.52

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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.