Home / 393,462,486.27-587,642,751.47-356,500,527.66

Finding the Fourth Proportional to 393,462,486.27, 587,642,751.47 and 356,500,527.66

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Solution

The fourth proportional to 393,462,486.27, 587,642,751.47 and 356,500,527.66 is: 532,439,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,462,486.27 : 587,642,751.47 = 356,500,527.66 : x
  2. Step 2: Convert to fraction form
    393,462,486.27/587,642,751.47 = 356,500,527.66/x
  3. Step 3: Cross multiply
    393,462,486.27x = 587,642,751.47 × 356,500,527.66
  4. Step 4: Simplify right side
    393,462,486.27x = 209,494,950,975,520,480
  5. Step 5: Solve for x
    x = 209,494,950,975,520,480/393,462,486.27
  6. Step 6: Final answer
    x = 532,439,453.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.