Home / 1,169,944,495.74-1,755,114,040.71-393,405,563.70

Finding the Fourth Proportional to 1,169,944,495.74, 1,755,114,040.71 and 393,405,563.70

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Solution

The fourth proportional to 1,169,944,495.74, 1,755,114,040.71 and 393,405,563.70 is: 590,174,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,944,495.74 : 1,755,114,040.71 = 393,405,563.70 : x
  2. Step 2: Convert to fraction form
    1,169,944,495.74/1,755,114,040.71 = 393,405,563.70/x
  3. Step 3: Cross multiply
    1,169,944,495.74x = 1,755,114,040.71 × 393,405,563.70
  4. Step 4: Simplify right side
    1,169,944,495.74x = 690,471,628,543,302,272
  5. Step 5: Solve for x
    x = 690,471,628,543,302,272/1,169,944,495.74
  6. Step 6: Final answer
    x = 590,174,688.68

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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.