Home / 442,788,786,645.45-664,183,179,968.20-204,022,974,165.45

Finding the Fourth Proportional to 442,788,786,645.45, 664,183,179,968.20 and 204,022,974,165.45

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Solution

The fourth proportional to 442,788,786,645.45, 664,183,179,968.20 and 204,022,974,165.45 is: 306,034,461,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,788,786,645.45 : 664,183,179,968.20 = 204,022,974,165.45 : x
  2. Step 2: Convert to fraction form
    442,788,786,645.45/664,183,179,968.20 = 204,022,974,165.45/x
  3. Step 3: Cross multiply
    442,788,786,645.45x = 664,183,179,968.20 × 204,022,974,165.45
  4. Step 4: Simplify right side
    442,788,786,645.45x = 135,508,627,767,778,487,566,336
  5. Step 5: Solve for x
    x = 135,508,627,767,778,487,566,336/442,788,786,645.45
  6. Step 6: Final answer
    x = 306,034,461,248.19

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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.