Home / 556,350,181.82-767,764,761.71-305,470,823.41

Finding the Fourth Proportional to 556,350,181.82, 767,764,761.71 and 305,470,823.41

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Solution

The fourth proportional to 556,350,181.82, 767,764,761.71 and 305,470,823.41 is: 421,550,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350,181.82 : 767,764,761.71 = 305,470,823.41 : x
  2. Step 2: Convert to fraction form
    556,350,181.82/767,764,761.71 = 305,470,823.41/x
  3. Step 3: Cross multiply
    556,350,181.82x = 767,764,761.71 × 305,470,823.41
  4. Step 4: Simplify right side
    556,350,181.82x = 234,529,733,941,289,408
  5. Step 5: Solve for x
    x = 234,529,733,941,289,408/556,350,181.82
  6. Step 6: Final answer
    x = 421,550,565.83

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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.