Home / 464,058,933.28-640,388,548.40-255,215,151.84

Finding the Fourth Proportional to 464,058,933.28, 640,388,548.40 and 255,215,151.84

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Solution

The fourth proportional to 464,058,933.28, 640,388,548.40 and 255,215,151.84 is: 352,189,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,058,933.28 : 640,388,548.40 = 255,215,151.84 : x
  2. Step 2: Convert to fraction form
    464,058,933.28/640,388,548.40 = 255,215,151.84/x
  3. Step 3: Cross multiply
    464,058,933.28x = 640,388,548.40 × 255,215,151.84
  4. Step 4: Simplify right side
    464,058,933.28x = 163,436,860,616,503,200
  5. Step 5: Solve for x
    x = 163,436,860,616,503,200/464,058,933.28
  6. Step 6: Final answer
    x = 352,189,881.28

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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.