Home / 631,745,127,469.82-947,584,316,670.28-207,217,472,146.94

Finding the Fourth Proportional to 631,745,127,469.82, 947,584,316,670.28 and 207,217,472,146.94

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Solution

The fourth proportional to 631,745,127,469.82, 947,584,316,670.28 and 207,217,472,146.94 is: 310,815,261,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,745,127,469.82 : 947,584,316,670.28 = 207,217,472,146.94 : x
  2. Step 2: Convert to fraction form
    631,745,127,469.82/947,584,316,670.28 = 207,217,472,146.94/x
  3. Step 3: Cross multiply
    631,745,127,469.82x = 947,584,316,670.28 × 207,217,472,146.94
  4. Step 4: Simplify right side
    631,745,127,469.82x = 196,356,026,746,500,921,950,208
  5. Step 5: Solve for x
    x = 196,356,026,746,500,921,950,208/631,745,127,469.82
  6. Step 6: Final answer
    x = 310,815,261,105.25

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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.