Home / 519,781,286.57-717,333,368.26-293,641,838.01

Finding the Fourth Proportional to 519,781,286.57, 717,333,368.26 and 293,641,838.01

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Solution

The fourth proportional to 519,781,286.57, 717,333,368.26 and 293,641,838.01 is: 405,245,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,781,286.57 : 717,333,368.26 = 293,641,838.01 : x
  2. Step 2: Convert to fraction form
    519,781,286.57/717,333,368.26 = 293,641,838.01/x
  3. Step 3: Cross multiply
    519,781,286.57x = 717,333,368.26 × 293,641,838.01
  4. Step 4: Simplify right side
    519,781,286.57x = 210,639,088,718,183,936
  5. Step 5: Solve for x
    x = 210,639,088,718,183,936/519,781,286.57
  6. Step 6: Final answer
    x = 405,245,618.03

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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.