Home / 955,399,696.95-1,432,433,249.75-423,321,728.66

Finding the Fourth Proportional to 955,399,696.95, 1,432,433,249.75 and 423,321,728.66

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Solution

The fourth proportional to 955,399,696.95, 1,432,433,249.75 and 423,321,728.66 is: 634,687,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,399,696.95 : 1,432,433,249.75 = 423,321,728.66 : x
  2. Step 2: Convert to fraction form
    955,399,696.95/1,432,433,249.75 = 423,321,728.66/x
  3. Step 3: Cross multiply
    955,399,696.95x = 1,432,433,249.75 × 423,321,728.66
  4. Step 4: Simplify right side
    955,399,696.95x = 606,380,119,468,127,616
  5. Step 5: Solve for x
    x = 606,380,119,468,127,616/955,399,696.95
  6. Step 6: Final answer
    x = 634,687,368.44

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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.