Home / 320,868,404.90-481,302,607.35-299,185,612.10

Finding the Fourth Proportional to 320,868,404.90, 481,302,607.35 and 299,185,612.10

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Solution

The fourth proportional to 320,868,404.90, 481,302,607.35 and 299,185,612.10 is: 448,778,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,868,404.90 : 481,302,607.35 = 299,185,612.10 : x
  2. Step 2: Convert to fraction form
    320,868,404.90/481,302,607.35 = 299,185,612.10/x
  3. Step 3: Cross multiply
    320,868,404.90x = 481,302,607.35 × 299,185,612.10
  4. Step 4: Simplify right side
    320,868,404.90x = 143,998,815,185,335,728
  5. Step 5: Solve for x
    x = 143,998,815,185,335,728/320,868,404.90
  6. Step 6: Final answer
    x = 448,778,418.15

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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.