Home / 299,449,503.40-448,418,427.90-196,657,004.20

Finding the Fourth Proportional to 299,449,503.40, 448,418,427.90 and 196,657,004.20

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Solution

The fourth proportional to 299,449,503.40, 448,418,427.90 and 196,657,004.20 is: 294,489,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,449,503.40 : 448,418,427.90 = 196,657,004.20 : x
  2. Step 2: Convert to fraction form
    299,449,503.40/448,418,427.90 = 196,657,004.20/x
  3. Step 3: Cross multiply
    299,449,503.40x = 448,418,427.90 × 196,657,004.20
  4. Step 4: Simplify right side
    299,449,503.40x = 88,184,624,658,887,680
  5. Step 5: Solve for x
    x = 88,184,624,658,887,680/299,449,503.40
  6. Step 6: Final answer
    x = 294,489,133.08

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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.