Home / 879,581,553.53-1,213,264,760.49-540,341,578.49

Finding the Fourth Proportional to 879,581,553.53, 1,213,264,760.49 and 540,341,578.49

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Solution

The fourth proportional to 879,581,553.53, 1,213,264,760.49 and 540,341,578.49 is: 745,328,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,581,553.53 : 1,213,264,760.49 = 540,341,578.49 : x
  2. Step 2: Convert to fraction form
    879,581,553.53/1,213,264,760.49 = 540,341,578.49/x
  3. Step 3: Cross multiply
    879,581,553.53x = 1,213,264,760.49 × 540,341,578.49
  4. Step 4: Simplify right side
    879,581,553.53x = 655,577,395,809,458,432
  5. Step 5: Solve for x
    x = 655,577,395,809,458,432/879,581,553.53
  6. Step 6: Final answer
    x = 745,328,722.71

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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.