Home / 912,716,329.91-1,259,577,047.07-516,231,561.11

Finding the Fourth Proportional to 912,716,329.91, 1,259,577,047.07 and 516,231,561.11

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Solution

The fourth proportional to 912,716,329.91, 1,259,577,047.07 and 516,231,561.11 is: 712,415,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,716,329.91 : 1,259,577,047.07 = 516,231,561.11 : x
  2. Step 2: Convert to fraction form
    912,716,329.91/1,259,577,047.07 = 516,231,561.11/x
  3. Step 3: Cross multiply
    912,716,329.91x = 1,259,577,047.07 × 516,231,561.11
  4. Step 4: Simplify right side
    912,716,329.91x = 650,233,425,340,972,160
  5. Step 5: Solve for x
    x = 650,233,425,340,972,160/912,716,329.91
  6. Step 6: Final answer
    x = 712,415,680.57

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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.