Home / 708,105,202,529.82-977,188,123,637.72-382,944,494,342.85

Finding the Fourth Proportional to 708,105,202,529.82, 977,188,123,637.72 and 382,944,494,342.85

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Solution

The fourth proportional to 708,105,202,529.82, 977,188,123,637.72 and 382,944,494,342.85 is: 528,464,994,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,105,202,529.82 : 977,188,123,637.72 = 382,944,494,342.85 : x
  2. Step 2: Convert to fraction form
    708,105,202,529.82/977,188,123,637.72 = 382,944,494,342.85/x
  3. Step 3: Cross multiply
    708,105,202,529.82x = 977,188,123,637.72 × 382,944,494,342.85
  4. Step 4: Simplify right side
    708,105,202,529.82x = 374,208,811,884,285,047,865,344
  5. Step 5: Solve for x
    x = 374,208,811,884,285,047,865,344/708,105,202,529.82
  6. Step 6: Final answer
    x = 528,464,994,392.59

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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.