Home / 839,810,673.80-1,259,716,010.70-576,782,808.20

Finding the Fourth Proportional to 839,810,673.80, 1,259,716,010.70 and 576,782,808.20

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Solution

The fourth proportional to 839,810,673.80, 1,259,716,010.70 and 576,782,808.20 is: 865,174,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,673.80 : 1,259,716,010.70 = 576,782,808.20 : x
  2. Step 2: Convert to fraction form
    839,810,673.80/1,259,716,010.70 = 576,782,808.20/x
  3. Step 3: Cross multiply
    839,810,673.80x = 1,259,716,010.70 × 576,782,808.20
  4. Step 4: Simplify right side
    839,810,673.80x = 726,582,538,186,047,360
  5. Step 5: Solve for x
    x = 726,582,538,186,047,360/839,810,673.80
  6. Step 6: Final answer
    x = 865,174,212.30

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Double scale
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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.