Home / 466,969,164.40-644,418,745.67-255,278,553

Finding the Fourth Proportional to 466,969,164.40, 644,418,745.67 and 255,278,553

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Solution

The fourth proportional to 466,969,164.40, 644,418,745.67 and 255,278,553 is: 352,285,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,969,164.40 : 644,418,745.67 = 255,278,553 : x
  2. Step 2: Convert to fraction form
    466,969,164.40/644,418,745.67 = 255,278,553/x
  3. Step 3: Cross multiply
    466,969,164.40x = 644,418,745.67 × 255,278,553
  4. Step 4: Simplify right side
    466,969,164.40x = 164,506,284,920,712,608
  5. Step 5: Solve for x
    x = 164,506,284,920,712,608/466,969,164.40
  6. Step 6: Final answer
    x = 352,285,113.16

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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.