Home / 678,419,504.93-936,241,624.83-377,017,519.46

Finding the Fourth Proportional to 678,419,504.93, 936,241,624.83 and 377,017,519.46

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Solution

The fourth proportional to 678,419,504.93, 936,241,624.83 and 377,017,519.46 is: 520,296,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,419,504.93 : 936,241,624.83 = 377,017,519.46 : x
  2. Step 2: Convert to fraction form
    678,419,504.93/936,241,624.83 = 377,017,519.46/x
  3. Step 3: Cross multiply
    678,419,504.93x = 936,241,624.83 × 377,017,519.46
  4. Step 4: Simplify right side
    678,419,504.93x = 352,979,495,008,606,528
  5. Step 5: Solve for x
    x = 352,979,495,008,606,528/678,419,504.93
  6. Step 6: Final answer
    x = 520,296,796.37

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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.