Home / 681,225,663.29-1,021,870,973.24-331,054,538.27

Finding the Fourth Proportional to 681,225,663.29, 1,021,870,973.24 and 331,054,538.27

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Solution

The fourth proportional to 681,225,663.29, 1,021,870,973.24 and 331,054,538.27 is: 496,597,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,225,663.29 : 1,021,870,973.24 = 331,054,538.27 : x
  2. Step 2: Convert to fraction form
    681,225,663.29/1,021,870,973.24 = 331,054,538.27/x
  3. Step 3: Cross multiply
    681,225,663.29x = 1,021,870,973.24 × 331,054,538.27
  4. Step 4: Simplify right side
    681,225,663.29x = 338,295,023,220,865,984
  5. Step 5: Solve for x
    x = 338,295,023,220,865,984/681,225,663.29
  6. Step 6: Final answer
    x = 496,597,590.86

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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.