Home / 890,379,146.57-1,335,568,761.38-609,983,567.66

Finding the Fourth Proportional to 890,379,146.57, 1,335,568,761.38 and 609,983,567.66

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Solution

The fourth proportional to 890,379,146.57, 1,335,568,761.38 and 609,983,567.66 is: 914,975,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,146.57 : 1,335,568,761.38 = 609,983,567.66 : x
  2. Step 2: Convert to fraction form
    890,379,146.57/1,335,568,761.38 = 609,983,567.66/x
  3. Step 3: Cross multiply
    890,379,146.57x = 1,335,568,761.38 × 609,983,567.66
  4. Step 4: Simplify right side
    890,379,146.57x = 814,674,997,912,091,776
  5. Step 5: Solve for x
    x = 814,674,997,912,091,776/890,379,146.57
  6. Step 6: Final answer
    x = 914,975,379.93

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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.