Home / 513,269,605.64-769,596,947.82-163,364,533.16

Finding the Fourth Proportional to 513,269,605.64, 769,596,947.82 and 163,364,533.16

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Solution

The fourth proportional to 513,269,605.64, 769,596,947.82 and 163,364,533.16 is: 244,948,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,269,605.64 : 769,596,947.82 = 163,364,533.16 : x
  2. Step 2: Convert to fraction form
    513,269,605.64/769,596,947.82 = 163,364,533.16/x
  3. Step 3: Cross multiply
    513,269,605.64x = 769,596,947.82 × 163,364,533.16
  4. Step 4: Simplify right side
    513,269,605.64x = 125,724,846,101,975,184
  5. Step 5: Solve for x
    x = 125,724,846,101,975,184/513,269,605.64
  6. Step 6: Final answer
    x = 244,948,940.52

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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.