Home / 56,865,372,764.92-78,476,681,194.48-31,490,844,096.68

Finding the Fourth Proportional to 56,865,372,764.92, 78,476,681,194.48 and 31,490,844,096.68

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Solution

The fourth proportional to 56,865,372,764.92, 78,476,681,194.48 and 31,490,844,096.68 is: 43,458,730,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,764.92 : 78,476,681,194.48 = 31,490,844,096.68 : x
  2. Step 2: Convert to fraction form
    56,865,372,764.92/78,476,681,194.48 = 31,490,844,096.68/x
  3. Step 3: Cross multiply
    56,865,372,764.92x = 78,476,681,194.48 × 31,490,844,096.68
  4. Step 4: Simplify right side
    56,865,372,764.92x = 2,471,296,932,720,228,696,064
  5. Step 5: Solve for x
    x = 2,471,296,932,720,228,696,064/56,865,372,764.92
  6. Step 6: Final answer
    x = 43,458,730,903.54

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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.