Home / 517,211,061.65-713,741,305.19-282,263,403.54

Finding the Fourth Proportional to 517,211,061.65, 713,741,305.19 and 282,263,403.54

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Solution

The fourth proportional to 517,211,061.65, 713,741,305.19 and 282,263,403.54 is: 389,518,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,211,061.65 : 713,741,305.19 = 282,263,403.54 : x
  2. Step 2: Convert to fraction form
    517,211,061.65/713,741,305.19 = 282,263,403.54/x
  3. Step 3: Cross multiply
    517,211,061.65x = 713,741,305.19 × 282,263,403.54
  4. Step 4: Simplify right side
    517,211,061.65x = 201,463,050,048,599,936
  5. Step 5: Solve for x
    x = 201,463,050,048,599,936/517,211,061.65
  6. Step 6: Final answer
    x = 389,518,061.37

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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.