Home / 912,431,231.24-1,259,179,857.92-516,013,500.76

Finding the Fourth Proportional to 912,431,231.24, 1,259,179,857.92 and 516,013,500.76

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Solution

The fourth proportional to 912,431,231.24, 1,259,179,857.92 and 516,013,500.76 is: 712,112,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,431,231.24 : 1,259,179,857.92 = 516,013,500.76 : x
  2. Step 2: Convert to fraction form
    912,431,231.24/1,259,179,857.92 = 516,013,500.76/x
  3. Step 3: Cross multiply
    912,431,231.24x = 1,259,179,857.92 × 516,013,500.76
  4. Step 4: Simplify right side
    912,431,231.24x = 649,753,806,571,778,688
  5. Step 5: Solve for x
    x = 649,753,806,571,778,688/912,431,231.24
  6. Step 6: Final answer
    x = 712,112,633.07

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Half scale
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Double scale
Find fourth proportional to 912,431,232.24, 1,259,179,859.30 and 516,013,501.76
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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.