Home / 561,649,071.34-842,588,510.34-193,136,164.42

Finding the Fourth Proportional to 561,649,071.34, 842,588,510.34 and 193,136,164.42

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Solution

The fourth proportional to 561,649,071.34, 842,588,510.34 and 193,136,164.42 is: 289,743,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,649,071.34 : 842,588,510.34 = 193,136,164.42 : x
  2. Step 2: Convert to fraction form
    561,649,071.34/842,588,510.34 = 193,136,164.42/x
  3. Step 3: Cross multiply
    561,649,071.34x = 842,588,510.34 × 193,136,164.42
  4. Step 4: Simplify right side
    561,649,071.34x = 162,734,313,071,429,120
  5. Step 5: Solve for x
    x = 162,734,313,071,429,120/561,649,071.34
  6. Step 6: Final answer
    x = 289,743,758.83

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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.