Home / 937,727,998.80-1,406,591,998.20-479,080,856.40

Finding the Fourth Proportional to 937,727,998.80, 1,406,591,998.20 and 479,080,856.40

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Solution

The fourth proportional to 937,727,998.80, 1,406,591,998.20 and 479,080,856.40 is: 718,621,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,727,998.80 : 1,406,591,998.20 = 479,080,856.40 : x
  2. Step 2: Convert to fraction form
    937,727,998.80/1,406,591,998.20 = 479,080,856.40/x
  3. Step 3: Cross multiply
    937,727,998.80x = 1,406,591,998.20 × 479,080,856.40
  4. Step 4: Simplify right side
    937,727,998.80x = 673,871,299,103,043,200
  5. Step 5: Solve for x
    x = 673,871,299,103,043,200/937,727,998.80
  6. Step 6: Final answer
    x = 718,621,284.60

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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.