Home / 510,674,081.60-766,233,710.40-178,919,089.76

Finding the Fourth Proportional to 510,674,081.60, 766,233,710.40 and 178,919,089.76

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Solution

The fourth proportional to 510,674,081.60, 766,233,710.40 and 178,919,089.76 is: 268,456,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,674,081.60 : 766,233,710.40 = 178,919,089.76 : x
  2. Step 2: Convert to fraction form
    510,674,081.60/766,233,710.40 = 178,919,089.76/x
  3. Step 3: Cross multiply
    510,674,081.60x = 766,233,710.40 × 178,919,089.76
  4. Step 4: Simplify right side
    510,674,081.60x = 137,093,838,008,195,440
  5. Step 5: Solve for x
    x = 137,093,838,008,195,440/510,674,081.60
  6. Step 6: Final answer
    x = 268,456,620.27

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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.