Home / 542,877,594.50-749,111,136.63-304,668,143.38

Finding the Fourth Proportional to 542,877,594.50, 749,111,136.63 and 304,668,143.38

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Solution

The fourth proportional to 542,877,594.50, 749,111,136.63 and 304,668,143.38 is: 420,408,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,877,594.50 : 749,111,136.63 = 304,668,143.38 : x
  2. Step 2: Convert to fraction form
    542,877,594.50/749,111,136.63 = 304,668,143.38/x
  3. Step 3: Cross multiply
    542,877,594.50x = 749,111,136.63 × 304,668,143.38
  4. Step 4: Simplify right side
    542,877,594.50x = 228,230,299,177,074,720
  5. Step 5: Solve for x
    x = 228,230,299,177,074,720/542,877,594.50
  6. Step 6: Final answer
    x = 420,408,396.83

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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.