Home / 912,716,311.88-1,259,577,022.21-516,231,543.06

Finding the Fourth Proportional to 912,716,311.88, 1,259,577,022.21 and 516,231,543.06

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Solution

The fourth proportional to 912,716,311.88, 1,259,577,022.21 and 516,231,543.06 is: 712,415,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,716,311.88 : 1,259,577,022.21 = 516,231,543.06 : x
  2. Step 2: Convert to fraction form
    912,716,311.88/1,259,577,022.21 = 516,231,543.06/x
  3. Step 3: Cross multiply
    912,716,311.88x = 1,259,577,022.21 × 516,231,543.06
  4. Step 4: Simplify right side
    912,716,311.88x = 650,233,389,777,097,600
  5. Step 5: Solve for x
    x = 650,233,389,777,097,600/912,716,311.88
  6. Step 6: Final answer
    x = 712,415,655.68

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Double scale
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1.5x scale

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.