Home / 664,848,264.30-997,272,396.45-442,918,502.70

Finding the Fourth Proportional to 664,848,264.30, 997,272,396.45 and 442,918,502.70

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Solution

The fourth proportional to 664,848,264.30, 997,272,396.45 and 442,918,502.70 is: 664,377,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,264.30 : 997,272,396.45 = 442,918,502.70 : x
  2. Step 2: Convert to fraction form
    664,848,264.30/997,272,396.45 = 442,918,502.70/x
  3. Step 3: Cross multiply
    664,848,264.30x = 997,272,396.45 × 442,918,502.70
  4. Step 4: Simplify right side
    664,848,264.30x = 441,710,396,619,674,816
  5. Step 5: Solve for x
    x = 441,710,396,619,674,816/664,848,264.30
  6. Step 6: Final answer
    x = 664,377,754.05

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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.