Home / 624,542,681,575.05-861,551,706,691.83-407,895,691,299.45

Finding the Fourth Proportional to 624,542,681,575.05, 861,551,706,691.83 and 407,895,691,299.45

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Solution

The fourth proportional to 624,542,681,575.05, 861,551,706,691.83 and 407,895,691,299.45 is: 562,688,891,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,575.05 : 861,551,706,691.83 = 407,895,691,299.45 : x
  2. Step 2: Convert to fraction form
    624,542,681,575.05/861,551,706,691.83 = 407,895,691,299.45/x
  3. Step 3: Cross multiply
    624,542,681,575.05x = 861,551,706,691.83 × 407,895,691,299.45
  4. Step 4: Simplify right side
    624,542,681,575.05x = 351,423,228,991,284,954,791,936
  5. Step 5: Solve for x
    x = 351,423,228,991,284,954,791,936/624,542,681,575.05
  6. Step 6: Final answer
    x = 562,688,891,181.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.