Home / 624,542,681,572.65-861,551,706,688.65-407,895,691,297.09

Finding the Fourth Proportional to 624,542,681,572.65, 861,551,706,688.65 and 407,895,691,297.09

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Solution

The fourth proportional to 624,542,681,572.65, 861,551,706,688.65 and 407,895,691,297.09 is: 562,688,891,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,572.65 : 861,551,706,688.65 = 407,895,691,297.09 : x
  2. Step 2: Convert to fraction form
    624,542,681,572.65/861,551,706,688.65 = 407,895,691,297.09/x
  3. Step 3: Cross multiply
    624,542,681,572.65x = 861,551,706,688.65 × 407,895,691,297.09
  4. Step 4: Simplify right side
    624,542,681,572.65x = 351,423,228,987,954,610,307,072
  5. Step 5: Solve for x
    x = 351,423,228,987,954,610,307,072/624,542,681,572.65
  6. Step 6: Final answer
    x = 562,688,891,178.81

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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.