Home / 448,439,234.40-672,658,851.60-206,574,530.40

Finding the Fourth Proportional to 448,439,234.40, 672,658,851.60 and 206,574,530.40

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Solution

The fourth proportional to 448,439,234.40, 672,658,851.60 and 206,574,530.40 is: 309,861,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,439,234.40 : 672,658,851.60 = 206,574,530.40 : x
  2. Step 2: Convert to fraction form
    448,439,234.40/672,658,851.60 = 206,574,530.40/x
  3. Step 3: Cross multiply
    448,439,234.40x = 672,658,851.60 × 206,574,530.40
  4. Step 4: Simplify right side
    448,439,234.40x = 138,954,186,388,673,296
  5. Step 5: Solve for x
    x = 138,954,186,388,673,296/448,439,234.40
  6. Step 6: Final answer
    x = 309,861,795.60

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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.