Home / 543,763,725,117.98-815,506,464,372.90-161,218,347,894.33

Finding the Fourth Proportional to 543,763,725,117.98, 815,506,464,372.90 and 161,218,347,894.33

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Solution

The fourth proportional to 543,763,725,117.98, 815,506,464,372.90 and 161,218,347,894.33 is: 241,786,273,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,763,725,117.98 : 815,506,464,372.90 = 161,218,347,894.33 : x
  2. Step 2: Convert to fraction form
    543,763,725,117.98/815,506,464,372.90 = 161,218,347,894.33/x
  3. Step 3: Cross multiply
    543,763,725,117.98x = 815,506,464,372.90 × 161,218,347,894.33
  4. Step 4: Simplify right side
    543,763,725,117.98x = 131,474,604,883,345,212,964,864
  5. Step 5: Solve for x
    x = 131,474,604,883,345,212,964,864/543,763,725,117.98
  6. Step 6: Final answer
    x = 241,786,273,725.45

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Double scale
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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.