Home / 550,685,514.78-825,785,876.07-291,840,089.94

Finding the Fourth Proportional to 550,685,514.78, 825,785,876.07 and 291,840,089.94

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Solution

The fourth proportional to 550,685,514.78, 825,785,876.07 and 291,840,089.94 is: 437,631,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,685,514.78 : 825,785,876.07 = 291,840,089.94 : x
  2. Step 2: Convert to fraction form
    550,685,514.78/825,785,876.07 = 291,840,089.94/x
  3. Step 3: Cross multiply
    550,685,514.78x = 825,785,876.07 × 291,840,089.94
  4. Step 4: Simplify right side
    550,685,514.78x = 240,997,424,343,450,496
  5. Step 5: Solve for x
    x = 240,997,424,343,450,496/550,685,514.78
  6. Step 6: Final answer
    x = 437,631,675.20

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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.