Home / 624,542,681,575.55-861,551,706,692.55-407,895,691,299.95

Finding the Fourth Proportional to 624,542,681,575.55, 861,551,706,692.55 and 407,895,691,299.95

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Solution

The fourth proportional to 624,542,681,575.55, 861,551,706,692.55 and 407,895,691,299.95 is: 562,688,891,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,575.55 : 861,551,706,692.55 = 407,895,691,299.95 : x
  2. Step 2: Convert to fraction form
    624,542,681,575.55/861,551,706,692.55 = 407,895,691,299.95/x
  3. Step 3: Cross multiply
    624,542,681,575.55x = 861,551,706,692.55 × 407,895,691,299.95
  4. Step 4: Simplify right side
    624,542,681,575.55x = 351,423,228,992,009,462,087,680
  5. Step 5: Solve for x
    x = 351,423,228,992,009,462,087,680/624,542,681,575.55
  6. Step 6: Final answer
    x = 562,688,891,182.69

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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.