Home / 978,550,632.41-1,350,400,093.29-538,517,484.41

Finding the Fourth Proportional to 978,550,632.41, 1,350,400,093.29 and 538,517,484.41

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Solution

The fourth proportional to 978,550,632.41, 1,350,400,093.29 and 538,517,484.41 is: 743,154,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,550,632.41 : 1,350,400,093.29 = 538,517,484.41 : x
  2. Step 2: Convert to fraction form
    978,550,632.41/1,350,400,093.29 = 538,517,484.41/x
  3. Step 3: Cross multiply
    978,550,632.41x = 1,350,400,093.29 × 538,517,484.41
  4. Step 4: Simplify right side
    978,550,632.41x = 727,214,061,178,808,064
  5. Step 5: Solve for x
    x = 727,214,061,178,808,064/978,550,632.41
  6. Step 6: Final answer
    x = 743,154,249.86

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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.