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Finding the Fourth Proportional to 479,761,443.56, 719,686,083.14 and 134,712,745.50

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Solution

The fourth proportional to 479,761,443.56, 719,686,083.14 and 134,712,745.50 is: 202,081,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,761,443.56 : 719,686,083.14 = 134,712,745.50 : x
  2. Step 2: Convert to fraction form
    479,761,443.56/719,686,083.14 = 134,712,745.50/x
  3. Step 3: Cross multiply
    479,761,443.56x = 719,686,083.14 × 134,712,745.50
  4. Step 4: Simplify right side
    479,761,443.56x = 96,950,888,157,930,656
  5. Step 5: Solve for x
    x = 96,950,888,157,930,656/479,761,443.56
  6. Step 6: Final answer
    x = 202,081,449.98

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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.