Home / 975,560,993.82-1,463,628,951.69-392,995,457.82

Finding the Fourth Proportional to 975,560,993.82, 1,463,628,951.69 and 392,995,457.82

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Solution

The fourth proportional to 975,560,993.82, 1,463,628,951.69 and 392,995,457.82 is: 589,608,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,560,993.82 : 1,463,628,951.69 = 392,995,457.82 : x
  2. Step 2: Convert to fraction form
    975,560,993.82/1,463,628,951.69 = 392,995,457.82/x
  3. Step 3: Cross multiply
    975,560,993.82x = 1,463,628,951.69 × 392,995,457.82
  4. Step 4: Simplify right side
    975,560,993.82x = 575,199,529,948,018,240
  5. Step 5: Solve for x
    x = 575,199,529,948,018,240/975,560,993.82
  6. Step 6: Final answer
    x = 589,608,987.64

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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.