Home / 561,864,377.31-841,117,401.94-339,863,874.63

Finding the Fourth Proportional to 561,864,377.31, 841,117,401.94 and 339,863,874.63

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Solution

The fourth proportional to 561,864,377.31, 841,117,401.94 and 339,863,874.63 is: 508,780,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,864,377.31 : 841,117,401.94 = 339,863,874.63 : x
  2. Step 2: Convert to fraction form
    561,864,377.31/841,117,401.94 = 339,863,874.63/x
  3. Step 3: Cross multiply
    561,864,377.31x = 841,117,401.94 × 339,863,874.63
  4. Step 4: Simplify right side
    561,864,377.31x = 285,865,419,242,047,488
  5. Step 5: Solve for x
    x = 285,865,419,242,047,488/561,864,377.31
  6. Step 6: Final answer
    x = 508,780,109.20

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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.