Home / 644,539,803.42-966,121,370.22-367,594,687.38

Finding the Fourth Proportional to 644,539,803.42, 966,121,370.22 and 367,594,687.38

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Solution

The fourth proportional to 644,539,803.42, 966,121,370.22 and 367,594,687.38 is: 550,999,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,539,803.42 : 966,121,370.22 = 367,594,687.38 : x
  2. Step 2: Convert to fraction form
    644,539,803.42/966,121,370.22 = 367,594,687.38/x
  3. Step 3: Cross multiply
    644,539,803.42x = 966,121,370.22 × 367,594,687.38
  4. Step 4: Simplify right side
    644,539,803.42x = 355,141,083,057,158,144
  5. Step 5: Solve for x
    x = 355,141,083,057,158,144/644,539,803.42
  6. Step 6: Final answer
    x = 550,999,459.11

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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.