Home / 519,356,696.46-779,082,935.49-169,604,597.51

Finding the Fourth Proportional to 519,356,696.46, 779,082,935.49 and 169,604,597.51

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Solution

The fourth proportional to 519,356,696.46, 779,082,935.49 and 169,604,597.51 is: 254,422,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,356,696.46 : 779,082,935.49 = 169,604,597.51 : x
  2. Step 2: Convert to fraction form
    519,356,696.46/779,082,935.49 = 169,604,597.51/x
  3. Step 3: Cross multiply
    519,356,696.46x = 779,082,935.49 × 169,604,597.51
  4. Step 4: Simplify right side
    519,356,696.46x = 132,136,047,700,690,736
  5. Step 5: Solve for x
    x = 132,136,047,700,690,736/519,356,696.46
  6. Step 6: Final answer
    x = 254,422,535.81

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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.