Home / 920,404,104.33-1,270,161,542.89-518,522,674.89

Finding the Fourth Proportional to 920,404,104.33, 1,270,161,542.89 and 518,522,674.89

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Solution

The fourth proportional to 920,404,104.33, 1,270,161,542.89 and 518,522,674.89 is: 715,563,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,404,104.33 : 1,270,161,542.89 = 518,522,674.89 : x
  2. Step 2: Convert to fraction form
    920,404,104.33/1,270,161,542.89 = 518,522,674.89/x
  3. Step 3: Cross multiply
    920,404,104.33x = 1,270,161,542.89 × 518,522,674.89
  4. Step 4: Simplify right side
    920,404,104.33x = 658,607,560,762,354,560
  5. Step 5: Solve for x
    x = 658,607,560,762,354,560/920,404,104.33
  6. Step 6: Final answer
    x = 715,563,476.59

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1.5x scale

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.