Home / 811,147,589.08-1,119,383,971.14-439,869,522.04

Finding the Fourth Proportional to 811,147,589.08, 1,119,383,971.14 and 439,869,522.04

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Solution

The fourth proportional to 811,147,589.08, 1,119,383,971.14 and 439,869,522.04 is: 607,020,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,147,589.08 : 1,119,383,971.14 = 439,869,522.04 : x
  2. Step 2: Convert to fraction form
    811,147,589.08/1,119,383,971.14 = 439,869,522.04/x
  3. Step 3: Cross multiply
    811,147,589.08x = 1,119,383,971.14 × 439,869,522.04
  4. Step 4: Simplify right side
    811,147,589.08x = 492,382,892,364,589,056
  5. Step 5: Solve for x
    x = 492,382,892,364,589,056/811,147,589.08
  6. Step 6: Final answer
    x = 607,020,102.13

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.