Home / 331,483,233.60-497,224,850.40-258,303,807.90

Finding the Fourth Proportional to 331,483,233.60, 497,224,850.40 and 258,303,807.90

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Solution

The fourth proportional to 331,483,233.60, 497,224,850.40 and 258,303,807.90 is: 387,455,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,483,233.60 : 497,224,850.40 = 258,303,807.90 : x
  2. Step 2: Convert to fraction form
    331,483,233.60/497,224,850.40 = 258,303,807.90/x
  3. Step 3: Cross multiply
    331,483,233.60x = 497,224,850.40 × 258,303,807.90
  4. Step 4: Simplify right side
    331,483,233.60x = 128,435,072,240,827,840
  5. Step 5: Solve for x
    x = 128,435,072,240,827,840/331,483,233.60
  6. Step 6: Final answer
    x = 387,455,711.85

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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.