Home / 614,990,721.12-922,296,257.36-178,323,592.16

Finding the Fourth Proportional to 614,990,721.12, 922,296,257.36 and 178,323,592.16

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Solution

The fourth proportional to 614,990,721.12, 922,296,257.36 and 178,323,592.16 is: 267,430,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,990,721.12 : 922,296,257.36 = 178,323,592.16 : x
  2. Step 2: Convert to fraction form
    614,990,721.12/922,296,257.36 = 178,323,592.16/x
  3. Step 3: Cross multiply
    614,990,721.12x = 922,296,257.36 × 178,323,592.16
  4. Step 4: Simplify right side
    614,990,721.12x = 164,467,181,648,159,040
  5. Step 5: Solve for x
    x = 164,467,181,648,159,040/614,990,721.12
  6. Step 6: Final answer
    x = 267,430,346.51

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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.