Home / 1,431,955,816.51-1,976,084,749.46-796,865,430.20

Finding the Fourth Proportional to 1,431,955,816.51, 1,976,084,749.46 and 796,865,430.20

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Solution

The fourth proportional to 1,431,955,816.51, 1,976,084,749.46 and 796,865,430.20 is: 1,099,666,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,955,816.51 : 1,976,084,749.46 = 796,865,430.20 : x
  2. Step 2: Convert to fraction form
    1,431,955,816.51/1,976,084,749.46 = 796,865,430.20/x
  3. Step 3: Cross multiply
    1,431,955,816.51x = 1,976,084,749.46 × 796,865,430.20
  4. Step 4: Simplify right side
    1,431,955,816.51x = 1,574,673,623,997,034,496
  5. Step 5: Solve for x
    x = 1,574,673,623,997,034,496/1,431,955,816.51
  6. Step 6: Final answer
    x = 1,099,666,348.53

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Double scale
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1.5x scale

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.