Home / 1,170,072,292.80-1,755,368,254.80-393,696,040.80

Finding the Fourth Proportional to 1,170,072,292.80, 1,755,368,254.80 and 393,696,040.80

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Solution

The fourth proportional to 1,170,072,292.80, 1,755,368,254.80 and 393,696,040.80 is: 590,631,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,292.80 : 1,755,368,254.80 = 393,696,040.80 : x
  2. Step 2: Convert to fraction form
    1,170,072,292.80/1,755,368,254.80 = 393,696,040.80/x
  3. Step 3: Cross multiply
    1,170,072,292.80x = 1,755,368,254.80 × 393,696,040.80
  4. Step 4: Simplify right side
    1,170,072,292.80x = 691,081,532,060,765,568
  5. Step 5: Solve for x
    x = 691,081,532,060,765,568/1,170,072,292.80
  6. Step 6: Final answer
    x = 590,631,481.76

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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.