Home / 550,685,443.67-825,785,769.34-291,840,018.74

Finding the Fourth Proportional to 550,685,443.67, 825,785,769.34 and 291,840,018.74

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Solution

The fourth proportional to 550,685,443.67, 825,785,769.34 and 291,840,018.74 is: 437,631,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,685,443.67 : 825,785,769.34 = 291,840,018.74 : x
  2. Step 2: Convert to fraction form
    550,685,443.67/825,785,769.34 = 291,840,018.74/x
  3. Step 3: Cross multiply
    550,685,443.67x = 825,785,769.34 × 291,840,018.74
  4. Step 4: Simplify right side
    550,685,443.67x = 240,997,334,403,384,384
  5. Step 5: Solve for x
    x = 240,997,334,403,384,384/550,685,443.67
  6. Step 6: Final answer
    x = 437,631,568.39

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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.