Home / 624,542,681,572.30-861,551,706,688.10-407,895,691,296.67

Finding the Fourth Proportional to 624,542,681,572.30, 861,551,706,688.10 and 407,895,691,296.67

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Solution

The fourth proportional to 624,542,681,572.30, 861,551,706,688.10 and 407,895,691,296.67 is: 562,688,891,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,572.30 : 861,551,706,688.10 = 407,895,691,296.67 : x
  2. Step 2: Convert to fraction form
    624,542,681,572.30/861,551,706,688.10 = 407,895,691,296.67/x
  3. Step 3: Cross multiply
    624,542,681,572.30x = 861,551,706,688.10 × 407,895,691,296.67
  4. Step 4: Simplify right side
    624,542,681,572.30x = 351,423,228,987,368,414,380,032
  5. Step 5: Solve for x
    x = 351,423,228,987,368,414,380,032/624,542,681,572.30
  6. Step 6: Final answer
    x = 562,688,891,178.19

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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.