Home / 561,864,375.80-841,117,399.68-339,863,873.12

Finding the Fourth Proportional to 561,864,375.80, 841,117,399.68 and 339,863,873.12

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Solution

The fourth proportional to 561,864,375.80, 841,117,399.68 and 339,863,873.12 is: 508,780,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,864,375.80 : 841,117,399.68 = 339,863,873.12 : x
  2. Step 2: Convert to fraction form
    561,864,375.80/841,117,399.68 = 339,863,873.12/x
  3. Step 3: Cross multiply
    561,864,375.80x = 841,117,399.68 × 339,863,873.12
  4. Step 4: Simplify right side
    561,864,375.80x = 285,865,417,203,867,840
  5. Step 5: Solve for x
    x = 285,865,417,203,867,840/561,864,375.80
  6. Step 6: Final answer
    x = 508,780,106.94

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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.