Home / 841,229,632.80-1,260,716,520.69-654,708,797.64

Finding the Fourth Proportional to 841,229,632.80, 1,260,716,520.69 and 654,708,797.64

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Solution

The fourth proportional to 841,229,632.80, 1,260,716,520.69 and 654,708,797.64 is: 981,185,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,229,632.80 : 1,260,716,520.69 = 654,708,797.64 : x
  2. Step 2: Convert to fraction form
    841,229,632.80/1,260,716,520.69 = 654,708,797.64/x
  3. Step 3: Cross multiply
    841,229,632.80x = 1,260,716,520.69 × 654,708,797.64
  4. Step 4: Simplify right side
    841,229,632.80x = 825,402,197,425,834,112
  5. Step 5: Solve for x
    x = 825,402,197,425,834,112/841,229,632.80
  6. Step 6: Final answer
    x = 981,185,356.82

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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.