Home / 378,144,117.20-567,216,175.80-323,724,558.80

Finding the Fourth Proportional to 378,144,117.20, 567,216,175.80 and 323,724,558.80

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Solution

The fourth proportional to 378,144,117.20, 567,216,175.80 and 323,724,558.80 is: 485,586,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,144,117.20 : 567,216,175.80 = 323,724,558.80 : x
  2. Step 2: Convert to fraction form
    378,144,117.20/567,216,175.80 = 323,724,558.80/x
  3. Step 3: Cross multiply
    378,144,117.20x = 567,216,175.80 × 323,724,558.80
  4. Step 4: Simplify right side
    378,144,117.20x = 183,621,806,255,078,240
  5. Step 5: Solve for x
    x = 183,621,806,255,078,240/378,144,117.20
  6. Step 6: Final answer
    x = 485,586,838.20

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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.