Home / 890,379,142.83-1,335,568,755.76-609,983,563.91

Finding the Fourth Proportional to 890,379,142.83, 1,335,568,755.76 and 609,983,563.91

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Solution

The fourth proportional to 890,379,142.83, 1,335,568,755.76 and 609,983,563.91 is: 914,975,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,142.83 : 1,335,568,755.76 = 609,983,563.91 : x
  2. Step 2: Convert to fraction form
    890,379,142.83/1,335,568,755.76 = 609,983,563.91/x
  3. Step 3: Cross multiply
    890,379,142.83x = 1,335,568,755.76 × 609,983,563.91
  4. Step 4: Simplify right side
    890,379,142.83x = 814,674,989,480,465,280
  5. Step 5: Solve for x
    x = 814,674,989,480,465,280/890,379,142.83
  6. Step 6: Final answer
    x = 914,975,374.31

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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.