Home / 522,406,163.67-720,898,857.50-284,252,331.39

Finding the Fourth Proportional to 522,406,163.67, 720,898,857.50 and 284,252,331.39

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Solution

The fourth proportional to 522,406,163.67, 720,898,857.50 and 284,252,331.39 is: 392,256,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,406,163.67 : 720,898,857.50 = 284,252,331.39 : x
  2. Step 2: Convert to fraction form
    522,406,163.67/720,898,857.50 = 284,252,331.39/x
  3. Step 3: Cross multiply
    522,406,163.67x = 720,898,857.50 × 284,252,331.39
  4. Step 4: Simplify right side
    522,406,163.67x = 204,917,180,939,341,120
  5. Step 5: Solve for x
    x = 204,917,180,939,341,120/522,406,163.67
  6. Step 6: Final answer
    x = 392,256,437.98

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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.