Home / 645,610,759,499.95-968,419,759,257.30-215,346,663,365.33

Finding the Fourth Proportional to 645,610,759,499.95, 968,419,759,257.30 and 215,346,663,365.33

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Solution

The fourth proportional to 645,610,759,499.95, 968,419,759,257.30 and 215,346,663,365.33 is: 323,021,202,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,610,759,499.95 : 968,419,759,257.30 = 215,346,663,365.33 : x
  2. Step 2: Convert to fraction form
    645,610,759,499.95/968,419,759,257.30 = 215,346,663,365.33/x
  3. Step 3: Cross multiply
    645,610,759,499.95x = 968,419,759,257.30 × 215,346,663,365.33
  4. Step 4: Simplify right side
    645,610,759,499.95x = 208,545,963,893,115,689,369,600
  5. Step 5: Solve for x
    x = 208,545,963,893,115,689,369,600/645,610,759,499.95
  6. Step 6: Final answer
    x = 323,021,202,519.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.