Home / 411,520,418.80-567,898,740.29-223,348,715.55

Finding the Fourth Proportional to 411,520,418.80, 567,898,740.29 and 223,348,715.55

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Solution

The fourth proportional to 411,520,418.80, 567,898,740.29 and 223,348,715.55 is: 308,221,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,520,418.80 : 567,898,740.29 = 223,348,715.55 : x
  2. Step 2: Convert to fraction form
    411,520,418.80/567,898,740.29 = 223,348,715.55/x
  3. Step 3: Cross multiply
    411,520,418.80x = 567,898,740.29 × 223,348,715.55
  4. Step 4: Simplify right side
    411,520,418.80x = 126,839,454,206,792,912
  5. Step 5: Solve for x
    x = 126,839,454,206,792,912/411,520,418.80
  6. Step 6: Final answer
    x = 308,221,532.67

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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.