Home / 331,572,809.90-497,359,214.85-311,400,829.10

Finding the Fourth Proportional to 331,572,809.90, 497,359,214.85 and 311,400,829.10

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Solution

The fourth proportional to 331,572,809.90, 497,359,214.85 and 311,400,829.10 is: 467,101,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,572,809.90 : 497,359,214.85 = 311,400,829.10 : x
  2. Step 2: Convert to fraction form
    331,572,809.90/497,359,214.85 = 311,400,829.10/x
  3. Step 3: Cross multiply
    331,572,809.90x = 497,359,214.85 × 311,400,829.10
  4. Step 4: Simplify right side
    331,572,809.90x = 154,878,071,864,815,040
  5. Step 5: Solve for x
    x = 154,878,071,864,815,040/331,572,809.90
  6. Step 6: Final answer
    x = 467,101,243.65

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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.