Home / 580,104,639.72-870,185,819.89-165,642,956.41

Finding the Fourth Proportional to 580,104,639.72, 870,185,819.89 and 165,642,956.41

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Solution

The fourth proportional to 580,104,639.72, 870,185,819.89 and 165,642,956.41 is: 248,472,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,104,639.72 : 870,185,819.89 = 165,642,956.41 : x
  2. Step 2: Convert to fraction form
    580,104,639.72/870,185,819.89 = 165,642,956.41/x
  3. Step 3: Cross multiply
    580,104,639.72x = 870,185,819.89 × 165,642,956.41
  4. Step 4: Simplify right side
    580,104,639.72x = 144,140,151,836,453,920
  5. Step 5: Solve for x
    x = 144,140,151,836,453,920/580,104,639.72
  6. Step 6: Final answer
    x = 248,472,675.39

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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.