Home / 869,120,850.40-1,303,912,222.80-377,623,218.40

Finding the Fourth Proportional to 869,120,850.40, 1,303,912,222.80 and 377,623,218.40

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Solution

The fourth proportional to 869,120,850.40, 1,303,912,222.80 and 377,623,218.40 is: 566,535,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,120,850.40 : 1,303,912,222.80 = 377,623,218.40 : x
  2. Step 2: Convert to fraction form
    869,120,850.40/1,303,912,222.80 = 377,623,218.40/x
  3. Step 3: Cross multiply
    869,120,850.40x = 1,303,912,222.80 × 377,623,218.40
  4. Step 4: Simplify right side
    869,120,850.40x = 492,387,530,084,833,792
  5. Step 5: Solve for x
    x = 492,387,530,084,833,792/869,120,850.40
  6. Step 6: Final answer
    x = 566,535,171.56

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1.5x scale

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.