Home / 890,379,147.98-1,335,568,763.51-609,983,569.07

Finding the Fourth Proportional to 890,379,147.98, 1,335,568,763.51 and 609,983,569.07

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Solution

The fourth proportional to 890,379,147.98, 1,335,568,763.51 and 609,983,569.07 is: 914,975,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,147.98 : 1,335,568,763.51 = 609,983,569.07 : x
  2. Step 2: Convert to fraction form
    890,379,147.98/1,335,568,763.51 = 609,983,569.07/x
  3. Step 3: Cross multiply
    890,379,147.98x = 1,335,568,763.51 × 609,983,569.07
  4. Step 4: Simplify right side
    890,379,147.98x = 814,675,001,094,508,928
  5. Step 5: Solve for x
    x = 814,675,001,094,508,928/890,379,147.98
  6. Step 6: Final answer
    x = 914,975,382.06

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1.5x scale

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.