Home / 624,542,681,578.30-861,551,706,696.35-407,895,691,302.64

Finding the Fourth Proportional to 624,542,681,578.30, 861,551,706,696.35 and 407,895,691,302.64

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Solution

The fourth proportional to 624,542,681,578.30, 861,551,706,696.35 and 407,895,691,302.64 is: 562,688,891,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542,681,578.30 : 861,551,706,696.35 = 407,895,691,302.64 : x
  2. Step 2: Convert to fraction form
    624,542,681,578.30/861,551,706,696.35 = 407,895,691,302.64/x
  3. Step 3: Cross multiply
    624,542,681,578.30x = 861,551,706,696.35 × 407,895,691,302.64
  4. Step 4: Simplify right side
    624,542,681,578.30x = 351,423,228,995,877,013,028,864
  5. Step 5: Solve for x
    x = 351,423,228,995,877,013,028,864/624,542,681,578.30
  6. Step 6: Final answer
    x = 562,688,891,186.40

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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.