Home / 448,291,230.30-672,436,845.45-157,486,715.10

Finding the Fourth Proportional to 448,291,230.30, 672,436,845.45 and 157,486,715.10

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Solution

The fourth proportional to 448,291,230.30, 672,436,845.45 and 157,486,715.10 is: 236,230,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,291,230.30 : 672,436,845.45 = 157,486,715.10 : x
  2. Step 2: Convert to fraction form
    448,291,230.30/672,436,845.45 = 157,486,715.10/x
  3. Step 3: Cross multiply
    448,291,230.30x = 672,436,845.45 × 157,486,715.10
  4. Step 4: Simplify right side
    448,291,230.30x = 105,899,869,902,126,880
  5. Step 5: Solve for x
    x = 105,899,869,902,126,880/448,291,230.30
  6. Step 6: Final answer
    x = 236,230,072.65

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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.