Home / 318,460,133.82-477,518,957.73-187,347,734.22

Finding the Fourth Proportional to 318,460,133.82, 477,518,957.73 and 187,347,734.22

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Solution

The fourth proportional to 318,460,133.82, 477,518,957.73 and 187,347,734.22 is: 280,920,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460,133.82 : 477,518,957.73 = 187,347,734.22 : x
  2. Step 2: Convert to fraction form
    318,460,133.82/477,518,957.73 = 187,347,734.22/x
  3. Step 3: Cross multiply
    318,460,133.82x = 477,518,957.73 × 187,347,734.22
  4. Step 4: Simplify right side
    318,460,133.82x = 89,462,094,777,811,456
  5. Step 5: Solve for x
    x = 89,462,094,777,811,456/318,460,133.82
  6. Step 6: Final answer
    x = 280,920,860.34

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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.