Home / 961,767,368.82-1,327,241,524.23-521,734,220.82

Finding the Fourth Proportional to 961,767,368.82, 1,327,241,524.23 and 521,734,220.82

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Solution

The fourth proportional to 961,767,368.82, 1,327,241,524.23 and 521,734,220.82 is: 719,994,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,767,368.82 : 1,327,241,524.23 = 521,734,220.82 : x
  2. Step 2: Convert to fraction form
    961,767,368.82/1,327,241,524.23 = 521,734,220.82/x
  3. Step 3: Cross multiply
    961,767,368.82x = 1,327,241,524.23 × 521,734,220.82
  4. Step 4: Simplify right side
    961,767,368.82x = 692,467,322,484,088,192
  5. Step 5: Solve for x
    x = 692,467,322,484,088,192/961,767,368.82
  6. Step 6: Final answer
    x = 719,994,610.89

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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.