Home / 738,079,184.82-1,018,380,344.37-440,663,658.42

Finding the Fourth Proportional to 738,079,184.82, 1,018,380,344.37 and 440,663,658.42

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Solution

The fourth proportional to 738,079,184.82, 1,018,380,344.37 and 440,663,658.42 is: 608,014,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,079,184.82 : 1,018,380,344.37 = 440,663,658.42 : x
  2. Step 2: Convert to fraction form
    738,079,184.82/1,018,380,344.37 = 440,663,658.42/x
  3. Step 3: Cross multiply
    738,079,184.82x = 1,018,380,344.37 × 440,663,658.42
  4. Step 4: Simplify right side
    738,079,184.82x = 448,763,208,213,103,680
  5. Step 5: Solve for x
    x = 448,763,208,213,103,680/738,079,184.82
  6. Step 6: Final answer
    x = 608,014,990.05

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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.