Home / 540,190,711.11-745,234,909.83-361,632,125.03

Finding the Fourth Proportional to 540,190,711.11, 745,234,909.83 and 361,632,125.03

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Solution

The fourth proportional to 540,190,711.11, 745,234,909.83 and 361,632,125.03 is: 498,899,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,190,711.11 : 745,234,909.83 = 361,632,125.03 : x
  2. Step 2: Convert to fraction form
    540,190,711.11/745,234,909.83 = 361,632,125.03/x
  3. Step 3: Cross multiply
    540,190,711.11x = 745,234,909.83 × 361,632,125.03
  4. Step 4: Simplify right side
    540,190,711.11x = 269,500,884,084,637,152
  5. Step 5: Solve for x
    x = 269,500,884,084,637,152/540,190,711.11
  6. Step 6: Final answer
    x = 498,899,515.56

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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.