Home / 320,436,027.90-480,654,041.85-298,936,943.10

Finding the Fourth Proportional to 320,436,027.90, 480,654,041.85 and 298,936,943.10

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Solution

The fourth proportional to 320,436,027.90, 480,654,041.85 and 298,936,943.10 is: 448,405,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,027.90 : 480,654,041.85 = 298,936,943.10 : x
  2. Step 2: Convert to fraction form
    320,436,027.90/480,654,041.85 = 298,936,943.10/x
  3. Step 3: Cross multiply
    320,436,027.90x = 480,654,041.85 × 298,936,943.10
  4. Step 4: Simplify right side
    320,436,027.90x = 143,685,249,959,298,480
  5. Step 5: Solve for x
    x = 143,685,249,959,298,480/320,436,027.90
  6. Step 6: Final answer
    x = 448,405,414.65

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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.