Home / 628,030,508.29-942,045,540.71-167,956,720.18

Finding the Fourth Proportional to 628,030,508.29, 942,045,540.71 and 167,956,720.18

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Solution

The fourth proportional to 628,030,508.29, 942,045,540.71 and 167,956,720.18 is: 251,935,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,030,508.29 : 942,045,540.71 = 167,956,720.18 : x
  2. Step 2: Convert to fraction form
    628,030,508.29/942,045,540.71 = 167,956,720.18/x
  3. Step 3: Cross multiply
    628,030,508.29x = 942,045,540.71 × 167,956,720.18
  4. Step 4: Simplify right side
    628,030,508.29x = 158,222,879,274,651,392
  5. Step 5: Solve for x
    x = 158,222,879,274,651,392/628,030,508.29
  6. Step 6: Final answer
    x = 251,935,020.97

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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.