Home / 517,161,085.92-713,697,371.45-282,226,879.68

Finding the Fourth Proportional to 517,161,085.92, 713,697,371.45 and 282,226,879.68

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Solution

The fourth proportional to 517,161,085.92, 713,697,371.45 and 282,226,879.68 is: 389,481,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,161,085.92 : 713,697,371.45 = 282,226,879.68 : x
  2. Step 2: Convert to fraction form
    517,161,085.92/713,697,371.45 = 282,226,879.68/x
  3. Step 3: Cross multiply
    517,161,085.92x = 713,697,371.45 × 282,226,879.68
  4. Step 4: Simplify right side
    517,161,085.92x = 201,424,582,178,740,288
  5. Step 5: Solve for x
    x = 201,424,582,178,740,288/517,161,085.92
  6. Step 6: Final answer
    x = 389,481,319.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.