Home / 524,328,618.48-786,405,240-192,267,009.90

Finding the Fourth Proportional to 524,328,618.48, 786,405,240 and 192,267,009.90

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Solution

The fourth proportional to 524,328,618.48, 786,405,240 and 192,267,009.90 is: 288,368,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,328,618.48 : 786,405,240 = 192,267,009.90 : x
  2. Step 2: Convert to fraction form
    524,328,618.48/786,405,240 = 192,267,009.90/x
  3. Step 3: Cross multiply
    524,328,618.48x = 786,405,240 × 192,267,009.90
  4. Step 4: Simplify right side
    524,328,618.48x = 151,199,784,064,491,872
  5. Step 5: Solve for x
    x = 151,199,784,064,491,872/524,328,618.48
  6. Step 6: Final answer
    x = 288,368,360.48

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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.