Home / 809,225,087.40-1,213,837,631.10-605,151,743.40

Finding the Fourth Proportional to 809,225,087.40, 1,213,837,631.10 and 605,151,743.40

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Solution

The fourth proportional to 809,225,087.40, 1,213,837,631.10 and 605,151,743.40 is: 907,727,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,225,087.40 : 1,213,837,631.10 = 605,151,743.40 : x
  2. Step 2: Convert to fraction form
    809,225,087.40/1,213,837,631.10 = 605,151,743.40/x
  3. Step 3: Cross multiply
    809,225,087.40x = 1,213,837,631.10 × 605,151,743.40
  4. Step 4: Simplify right side
    809,225,087.40x = 734,555,958,664,690,944
  5. Step 5: Solve for x
    x = 734,555,958,664,690,944/809,225,087.40
  6. Step 6: Final answer
    x = 907,727,615.10

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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.