Home / 550,685,515.78-825,785,877.57-291,840,090.94

Finding the Fourth Proportional to 550,685,515.78, 825,785,877.57 and 291,840,090.94

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Solution

The fourth proportional to 550,685,515.78, 825,785,877.57 and 291,840,090.94 is: 437,631,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,685,515.78 : 825,785,877.57 = 291,840,090.94 : x
  2. Step 2: Convert to fraction form
    550,685,515.78/825,785,877.57 = 291,840,090.94/x
  3. Step 3: Cross multiply
    550,685,515.78x = 825,785,877.57 × 291,840,090.94
  4. Step 4: Simplify right side
    550,685,515.78x = 240,997,425,606,996,512
  5. Step 5: Solve for x
    x = 240,997,425,606,996,512/550,685,515.78
  6. Step 6: Final answer
    x = 437,631,676.70

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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.