Home / 481,273,787,712.80-721,910,681,569.20-258,119,586,048.80

Finding the Fourth Proportional to 481,273,787,712.80, 721,910,681,569.20 and 258,119,586,048.80

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Solution

The fourth proportional to 481,273,787,712.80, 721,910,681,569.20 and 258,119,586,048.80 is: 387,179,379,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,273,787,712.80 : 721,910,681,569.20 = 258,119,586,048.80 : x
  2. Step 2: Convert to fraction form
    481,273,787,712.80/721,910,681,569.20 = 258,119,586,048.80/x
  3. Step 3: Cross multiply
    481,273,787,712.80x = 721,910,681,569.20 × 258,119,586,048.80
  4. Step 4: Simplify right side
    481,273,787,712.80x = 186,339,286,290,848,953,663,488
  5. Step 5: Solve for x
    x = 186,339,286,290,848,953,663,488/481,273,787,712.80
  6. Step 6: Final answer
    x = 387,179,379,073.20

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Double scale
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1.5x scale

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.