Home / 483,863,142.40-725,794,713.60-347,814,246.40

Finding the Fourth Proportional to 483,863,142.40, 725,794,713.60 and 347,814,246.40

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Solution

The fourth proportional to 483,863,142.40, 725,794,713.60 and 347,814,246.40 is: 521,721,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,863,142.40 : 725,794,713.60 = 347,814,246.40 : x
  2. Step 2: Convert to fraction form
    483,863,142.40/725,794,713.60 = 347,814,246.40/x
  3. Step 3: Cross multiply
    483,863,142.40x = 725,794,713.60 × 347,814,246.40
  4. Step 4: Simplify right side
    483,863,142.40x = 252,441,741,351,887,808
  5. Step 5: Solve for x
    x = 252,441,741,351,887,808/483,863,142.40
  6. Step 6: Final answer
    x = 521,721,369.60

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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.