Home / 879,581,551.53-1,213,264,757.73-540,341,576.49

Finding the Fourth Proportional to 879,581,551.53, 1,213,264,757.73 and 540,341,576.49

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Solution

The fourth proportional to 879,581,551.53, 1,213,264,757.73 and 540,341,576.49 is: 745,328,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,581,551.53 : 1,213,264,757.73 = 540,341,576.49 : x
  2. Step 2: Convert to fraction form
    879,581,551.53/1,213,264,757.73 = 540,341,576.49/x
  3. Step 3: Cross multiply
    879,581,551.53x = 1,213,264,757.73 × 540,341,576.49
  4. Step 4: Simplify right side
    879,581,551.53x = 655,577,391,891,586,176
  5. Step 5: Solve for x
    x = 655,577,391,891,586,176/879,581,551.53
  6. Step 6: Final answer
    x = 745,328,719.95

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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.