Home / 824,933,907.34-1,138,438,726.97-472,577,997.58

Finding the Fourth Proportional to 824,933,907.34, 1,138,438,726.97 and 472,577,997.58

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Solution

The fourth proportional to 824,933,907.34, 1,138,438,726.97 and 472,577,997.58 is: 652,174,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,933,907.34 : 1,138,438,726.97 = 472,577,997.58 : x
  2. Step 2: Convert to fraction form
    824,933,907.34/1,138,438,726.97 = 472,577,997.58/x
  3. Step 3: Cross multiply
    824,933,907.34x = 1,138,438,726.97 × 472,577,997.58
  4. Step 4: Simplify right side
    824,933,907.34x = 538,001,093,953,797,888
  5. Step 5: Solve for x
    x = 538,001,093,953,797,888/824,933,907.34
  6. Step 6: Final answer
    x = 652,174,785.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.