Home / 561,649,304.38-842,588,860.18-193,136,397.67

Finding the Fourth Proportional to 561,649,304.38, 842,588,860.18 and 193,136,397.67

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Solution

The fourth proportional to 561,649,304.38, 842,588,860.18 and 193,136,397.67 is: 289,744,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,649,304.38 : 842,588,860.18 = 193,136,397.67 : x
  2. Step 2: Convert to fraction form
    561,649,304.38/842,588,860.18 = 193,136,397.67/x
  3. Step 3: Cross multiply
    561,649,304.38x = 842,588,860.18 × 193,136,397.67
  4. Step 4: Simplify right side
    561,649,304.38x = 162,734,577,171,553,664
  5. Step 5: Solve for x
    x = 162,734,577,171,553,664/561,649,304.38
  6. Step 6: Final answer
    x = 289,744,108.83

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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.