Home / 869,120,866.40-1,303,912,246.80-377,623,234.40

Finding the Fourth Proportional to 869,120,866.40, 1,303,912,246.80 and 377,623,234.40

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Solution

The fourth proportional to 869,120,866.40, 1,303,912,246.80 and 377,623,234.40 is: 566,535,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,120,866.40 : 1,303,912,246.80 = 377,623,234.40 : x
  2. Step 2: Convert to fraction form
    869,120,866.40/1,303,912,246.80 = 377,623,234.40/x
  3. Step 3: Cross multiply
    869,120,866.40x = 1,303,912,246.80 × 377,623,234.40
  4. Step 4: Simplify right side
    869,120,866.40x = 492,387,560,010,387,008
  5. Step 5: Solve for x
    x = 492,387,560,010,387,008/869,120,866.40
  6. Step 6: Final answer
    x = 566,535,195.56

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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.