Home / 517,151,637.45-713,684,400.83-282,217,440.77

Finding the Fourth Proportional to 517,151,637.45, 713,684,400.83 and 282,217,440.77

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Solution

The fourth proportional to 517,151,637.45, 713,684,400.83 and 282,217,440.77 is: 389,468,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,151,637.45 : 713,684,400.83 = 282,217,440.77 : x
  2. Step 2: Convert to fraction form
    517,151,637.45/713,684,400.83 = 282,217,440.77/x
  3. Step 3: Cross multiply
    517,151,637.45x = 713,684,400.83 × 282,217,440.77
  4. Step 4: Simplify right side
    517,151,637.45x = 201,414,185,118,468,608
  5. Step 5: Solve for x
    x = 201,414,185,118,468,608/517,151,637.45
  6. Step 6: Final answer
    x = 389,468,331.01

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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.