Home / 1,282,291,333.20-1,923,436,999.80-1,210,865,662.80

Finding the Fourth Proportional to 1,282,291,333.20, 1,923,436,999.80 and 1,210,865,662.80

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Solution

The fourth proportional to 1,282,291,333.20, 1,923,436,999.80 and 1,210,865,662.80 is: 1,816,298,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,291,333.20 : 1,923,436,999.80 = 1,210,865,662.80 : x
  2. Step 2: Convert to fraction form
    1,282,291,333.20/1,923,436,999.80 = 1,210,865,662.80/x
  3. Step 3: Cross multiply
    1,282,291,333.20x = 1,923,436,999.80 × 1,210,865,662.80
  4. Step 4: Simplify right side
    1,282,291,333.20x = 2,329,023,817,616,870,400
  5. Step 5: Solve for x
    x = 2,329,023,817,616,870,400/1,282,291,333.20
  6. Step 6: Final answer
    x = 1,816,298,494.20

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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.