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Finding the Fourth Proportional to 633,944,602.37, 874,844,580.48 and 351,687,050.51

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Solution

The fourth proportional to 633,944,602.37, 874,844,580.48 and 351,687,050.51 is: 485,328,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,944,602.37 : 874,844,580.48 = 351,687,050.51 : x
  2. Step 2: Convert to fraction form
    633,944,602.37/874,844,580.48 = 351,687,050.51/x
  3. Step 3: Cross multiply
    633,944,602.37x = 874,844,580.48 × 351,687,050.51
  4. Step 4: Simplify right side
    633,944,602.37x = 307,671,510,157,972,992
  5. Step 5: Solve for x
    x = 307,671,510,157,972,992/633,944,602.37
  6. Step 6: Final answer
    x = 485,328,700.66

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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.