Home / 340,138,851-469,406,478.98-191,469,565.32

Finding the Fourth Proportional to 340,138,851, 469,406,478.98 and 191,469,565.32

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Solution

The fourth proportional to 340,138,851, 469,406,478.98 and 191,469,565.32 is: 264,236,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,138,851 : 469,406,478.98 = 191,469,565.32 : x
  2. Step 2: Convert to fraction form
    340,138,851/469,406,478.98 = 191,469,565.32/x
  3. Step 3: Cross multiply
    340,138,851x = 469,406,478.98 × 191,469,565.32
  4. Step 4: Simplify right side
    340,138,851x = 89,877,054,487,734,976
  5. Step 5: Solve for x
    x = 89,877,054,487,734,976/340,138,851
  6. Step 6: Final answer
    x = 264,236,367.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.