Home / 890,379,146.07-1,335,568,760.62-609,983,567.15

Finding the Fourth Proportional to 890,379,146.07, 1,335,568,760.62 and 609,983,567.15

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Solution

The fourth proportional to 890,379,146.07, 1,335,568,760.62 and 609,983,567.15 is: 914,975,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,146.07 : 1,335,568,760.62 = 609,983,567.15 : x
  2. Step 2: Convert to fraction form
    890,379,146.07/1,335,568,760.62 = 609,983,567.15/x
  3. Step 3: Cross multiply
    890,379,146.07x = 1,335,568,760.62 × 609,983,567.15
  4. Step 4: Simplify right side
    890,379,146.07x = 814,674,996,777,091,968
  5. Step 5: Solve for x
    x = 814,674,996,777,091,968/890,379,146.07
  6. Step 6: Final answer
    x = 914,975,379.17

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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.