Home / 1,439,084,694.40-2,158,626,769.28-784,586,103.68

Finding the Fourth Proportional to 1,439,084,694.40, 2,158,626,769.28 and 784,586,103.68

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Solution

The fourth proportional to 1,439,084,694.40, 2,158,626,769.28 and 784,586,103.68 is: 1,176,879,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,084,694.40 : 2,158,626,769.28 = 784,586,103.68 : x
  2. Step 2: Convert to fraction form
    1,439,084,694.40/2,158,626,769.28 = 784,586,103.68/x
  3. Step 3: Cross multiply
    1,439,084,694.40x = 2,158,626,769.28 × 784,586,103.68
  4. Step 4: Simplify right side
    1,439,084,694.40x = 1,693,628,566,208,741,632
  5. Step 5: Solve for x
    x = 1,693,628,566,208,741,632/1,439,084,694.40
  6. Step 6: Final answer
    x = 1,176,879,007.05

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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.