Home / 576,777,148.20-865,837,568.70-347,005,679.40

Finding the Fourth Proportional to 576,777,148.20, 865,837,568.70 and 347,005,679.40

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Solution

The fourth proportional to 576,777,148.20, 865,837,568.70 and 347,005,679.40 is: 520,912,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,777,148.20 : 865,837,568.70 = 347,005,679.40 : x
  2. Step 2: Convert to fraction form
    576,777,148.20/865,837,568.70 = 347,005,679.40/x
  3. Step 3: Cross multiply
    576,777,148.20x = 865,837,568.70 × 347,005,679.40
  4. Step 4: Simplify right side
    576,777,148.20x = 300,450,553,776,787,648
  5. Step 5: Solve for x
    x = 300,450,553,776,787,648/576,777,148.20
  6. Step 6: Final answer
    x = 520,912,721.17

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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.