Home / 56,865,372,764.69-78,476,681,194.13-31,490,844,096.47

Finding the Fourth Proportional to 56,865,372,764.69, 78,476,681,194.13 and 31,490,844,096.47

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Solution

The fourth proportional to 56,865,372,764.69, 78,476,681,194.13 and 31,490,844,096.47 is: 43,458,730,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,764.69 : 78,476,681,194.13 = 31,490,844,096.47 : x
  2. Step 2: Convert to fraction form
    56,865,372,764.69/78,476,681,194.13 = 31,490,844,096.47/x
  3. Step 3: Cross multiply
    56,865,372,764.69x = 78,476,681,194.13 × 31,490,844,096.47
  4. Step 4: Simplify right side
    56,865,372,764.69x = 2,471,296,932,692,365,934,592
  5. Step 5: Solve for x
    x = 2,471,296,932,692,365,934,592/56,865,372,764.69
  6. Step 6: Final answer
    x = 43,458,730,903.23

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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.