Home / 448,404,171.60-672,606,257.40-302,045,320.20

Finding the Fourth Proportional to 448,404,171.60, 672,606,257.40 and 302,045,320.20

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Solution

The fourth proportional to 448,404,171.60, 672,606,257.40 and 302,045,320.20 is: 453,067,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,404,171.60 : 672,606,257.40 = 302,045,320.20 : x
  2. Step 2: Convert to fraction form
    448,404,171.60/672,606,257.40 = 302,045,320.20/x
  3. Step 3: Cross multiply
    448,404,171.60x = 672,606,257.40 × 302,045,320.20
  4. Step 4: Simplify right side
    448,404,171.60x = 203,157,572,384,906,592
  5. Step 5: Solve for x
    x = 203,157,572,384,906,592/448,404,171.60
  6. Step 6: Final answer
    x = 453,067,980.30

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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.