Home / 485,375,105.34-669,820,681.80-262,356,327.09

Finding the Fourth Proportional to 485,375,105.34, 669,820,681.80 and 262,356,327.09

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Solution

The fourth proportional to 485,375,105.34, 669,820,681.80 and 262,356,327.09 is: 362,053,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,375,105.34 : 669,820,681.80 = 262,356,327.09 : x
  2. Step 2: Convert to fraction form
    485,375,105.34/669,820,681.80 = 262,356,327.09/x
  3. Step 3: Cross multiply
    485,375,105.34x = 669,820,681.80 × 262,356,327.09
  4. Step 4: Simplify right side
    485,375,105.34x = 175,731,693,885,967,584
  5. Step 5: Solve for x
    x = 175,731,693,885,967,584/485,375,105.34
  6. Step 6: Final answer
    x = 362,053,372.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.