Home / 576,621,803.70-865,026,950.67-188,331,909.30

Finding the Fourth Proportional to 576,621,803.70, 865,026,950.67 and 188,331,909.30

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Solution

The fourth proportional to 576,621,803.70, 865,026,950.67 and 188,331,909.30 is: 282,528,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,621,803.70 : 865,026,950.67 = 188,331,909.30 : x
  2. Step 2: Convert to fraction form
    576,621,803.70/865,026,950.67 = 188,331,909.30/x
  3. Step 3: Cross multiply
    576,621,803.70x = 865,026,950.67 × 188,331,909.30
  4. Step 4: Simplify right side
    576,621,803.70x = 162,912,177,215,638,016
  5. Step 5: Solve for x
    x = 162,912,177,215,638,016/576,621,803.70
  6. Step 6: Final answer
    x = 282,528,645.59

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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.