Home / 644,160,962.80-966,241,444.20-159,486,776.56

Finding the Fourth Proportional to 644,160,962.80, 966,241,444.20 and 159,486,776.56

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Solution

The fourth proportional to 644,160,962.80, 966,241,444.20 and 159,486,776.56 is: 239,230,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,160,962.80 : 966,241,444.20 = 159,486,776.56 : x
  2. Step 2: Convert to fraction form
    644,160,962.80/966,241,444.20 = 159,486,776.56/x
  3. Step 3: Cross multiply
    644,160,962.80x = 966,241,444.20 × 159,486,776.56
  4. Step 4: Simplify right side
    644,160,962.80x = 154,102,733,314,137,120
  5. Step 5: Solve for x
    x = 154,102,733,314,137,120/644,160,962.80
  6. Step 6: Final answer
    x = 239,230,164.84

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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.