Home / 442,674,383.20-664,011,574.80-297,555,560.80

Finding the Fourth Proportional to 442,674,383.20, 664,011,574.80 and 297,555,560.80

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Solution

The fourth proportional to 442,674,383.20, 664,011,574.80 and 297,555,560.80 is: 446,333,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,674,383.20 : 664,011,574.80 = 297,555,560.80 : x
  2. Step 2: Convert to fraction form
    442,674,383.20/664,011,574.80 = 297,555,560.80/x
  3. Step 3: Cross multiply
    442,674,383.20x = 664,011,574.80 × 297,555,560.80
  4. Step 4: Simplify right side
    442,674,383.20x = 197,580,336,517,305,152
  5. Step 5: Solve for x
    x = 197,580,336,517,305,152/442,674,383.20
  6. Step 6: Final answer
    x = 446,333,341.20

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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.