Home / 574,466,585.46-860,462,178.34-389,217,669

Finding the Fourth Proportional to 574,466,585.46, 860,462,178.34 and 389,217,669

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Solution

The fourth proportional to 574,466,585.46, 860,462,178.34 and 389,217,669 is: 582,987,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,466,585.46 : 860,462,178.34 = 389,217,669 : x
  2. Step 2: Convert to fraction form
    574,466,585.46/860,462,178.34 = 389,217,669/x
  3. Step 3: Cross multiply
    574,466,585.46x = 860,462,178.34 × 389,217,669
  4. Step 4: Simplify right side
    574,466,585.46x = 334,907,083,316,157,120
  5. Step 5: Solve for x
    x = 334,907,083,316,157,120/574,466,585.46
  6. Step 6: Final answer
    x = 582,987,926.18

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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.