Home / 1,431,955,816.64-1,976,084,749.65-796,865,430.33

Finding the Fourth Proportional to 1,431,955,816.64, 1,976,084,749.65 and 796,865,430.33

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Solution

The fourth proportional to 1,431,955,816.64, 1,976,084,749.65 and 796,865,430.33 is: 1,099,666,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,955,816.64 : 1,976,084,749.65 = 796,865,430.33 : x
  2. Step 2: Convert to fraction form
    1,431,955,816.64/1,976,084,749.65 = 796,865,430.33/x
  3. Step 3: Cross multiply
    1,431,955,816.64x = 1,976,084,749.65 × 796,865,430.33
  4. Step 4: Simplify right side
    1,431,955,816.64x = 1,574,673,624,394,413,312
  5. Step 5: Solve for x
    x = 1,574,673,624,394,413,312/1,431,955,816.64
  6. Step 6: Final answer
    x = 1,099,666,348.71

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.