Home / 1,338,251,042.40-2,007,376,563.60-1,189,022,409.60

Finding the Fourth Proportional to 1,338,251,042.40, 2,007,376,563.60 and 1,189,022,409.60

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Solution

The fourth proportional to 1,338,251,042.40, 2,007,376,563.60 and 1,189,022,409.60 is: 1,783,533,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,251,042.40 : 2,007,376,563.60 = 1,189,022,409.60 : x
  2. Step 2: Convert to fraction form
    1,338,251,042.40/2,007,376,563.60 = 1,189,022,409.60/x
  3. Step 3: Cross multiply
    1,338,251,042.40x = 2,007,376,563.60 × 1,189,022,409.60
  4. Step 4: Simplify right side
    1,338,251,042.40x = 2,386,815,718,626,239,488
  5. Step 5: Solve for x
    x = 2,386,815,718,626,239,488/1,338,251,042.40
  6. Step 6: Final answer
    x = 1,783,533,614.40

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1.5x scale

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.