Home / 303,214,710.78-418,436,580.36-163,985,472.69

Finding the Fourth Proportional to 303,214,710.78, 418,436,580.36 and 163,985,472.69

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Solution

The fourth proportional to 303,214,710.78, 418,436,580.36 and 163,985,472.69 is: 226,300,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,214,710.78 : 418,436,580.36 = 163,985,472.69 : x
  2. Step 2: Convert to fraction form
    303,214,710.78/418,436,580.36 = 163,985,472.69/x
  3. Step 3: Cross multiply
    303,214,710.78x = 418,436,580.36 × 163,985,472.69
  4. Step 4: Simplify right side
    303,214,710.78x = 68,617,520,421,121,768
  5. Step 5: Solve for x
    x = 68,617,520,421,121,768/303,214,710.78
  6. Step 6: Final answer
    x = 226,300,103.46

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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.