Home / 574,466,581.46-860,462,172.34-389,217,665

Finding the Fourth Proportional to 574,466,581.46, 860,462,172.34 and 389,217,665

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Solution

The fourth proportional to 574,466,581.46, 860,462,172.34 and 389,217,665 is: 582,987,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,466,581.46 : 860,462,172.34 = 389,217,665 : x
  2. Step 2: Convert to fraction form
    574,466,581.46/860,462,172.34 = 389,217,665/x
  3. Step 3: Cross multiply
    574,466,581.46x = 860,462,172.34 × 389,217,665
  4. Step 4: Simplify right side
    574,466,581.46x = 334,907,077,539,002,368
  5. Step 5: Solve for x
    x = 334,907,077,539,002,368/574,466,581.46
  6. Step 6: Final answer
    x = 582,987,920.18

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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.