Home / 1,318,311,111.92-1,976,354,528.97-1,085,153,330.53

Finding the Fourth Proportional to 1,318,311,111.92, 1,976,354,528.97 and 1,085,153,330.53

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Solution

The fourth proportional to 1,318,311,111.92, 1,976,354,528.97 and 1,085,153,330.53 is: 1,626,814,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,311,111.92 : 1,976,354,528.97 = 1,085,153,330.53 : x
  2. Step 2: Convert to fraction form
    1,318,311,111.92/1,976,354,528.97 = 1,085,153,330.53/x
  3. Step 3: Cross multiply
    1,318,311,111.92x = 1,976,354,528.97 × 1,085,153,330.53
  4. Step 4: Simplify right side
    1,318,311,111.92x = 2,144,647,699,409,963,264
  5. Step 5: Solve for x
    x = 2,144,647,699,409,963,264/1,318,311,111.92
  6. Step 6: Final answer
    x = 1,626,814,550.84

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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.