Home / 434,485,583.06-651,667,012.89-139,342,350.92

Finding the Fourth Proportional to 434,485,583.06, 651,667,012.89 and 139,342,350.92

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Solution

The fourth proportional to 434,485,583.06, 651,667,012.89 and 139,342,350.92 is: 208,993,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,485,583.06 : 651,667,012.89 = 139,342,350.92 : x
  2. Step 2: Convert to fraction form
    434,485,583.06/651,667,012.89 = 139,342,350.92/x
  3. Step 3: Cross multiply
    434,485,583.06x = 651,667,012.89 × 139,342,350.92
  4. Step 4: Simplify right side
    434,485,583.06x = 90,804,813,594,039,008
  5. Step 5: Solve for x
    x = 90,804,813,594,039,008/434,485,583.06
  6. Step 6: Final answer
    x = 208,993,847.28

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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.