Home / 448,463,399.40-672,695,099.10-206,598,695.40

Finding the Fourth Proportional to 448,463,399.40, 672,695,099.10 and 206,598,695.40

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Solution

The fourth proportional to 448,463,399.40, 672,695,099.10 and 206,598,695.40 is: 309,898,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,463,399.40 : 672,695,099.10 = 206,598,695.40 : x
  2. Step 2: Convert to fraction form
    448,463,399.40/672,695,099.10 = 206,598,695.40/x
  3. Step 3: Cross multiply
    448,463,399.40x = 672,695,099.10 × 206,598,695.40
  4. Step 4: Simplify right side
    448,463,399.40x = 138,977,929,876,033,728
  5. Step 5: Solve for x
    x = 138,977,929,876,033,728/448,463,399.40
  6. Step 6: Final answer
    x = 309,898,043.10

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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.