Home / 832,197,725.80-1,149,204,831.78-622,990,666.60

Finding the Fourth Proportional to 832,197,725.80, 1,149,204,831.78 and 622,990,666.60

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Solution

The fourth proportional to 832,197,725.80, 1,149,204,831.78 and 622,990,666.60 is: 860,305,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,197,725.80 : 1,149,204,831.78 = 622,990,666.60 : x
  2. Step 2: Convert to fraction form
    832,197,725.80/1,149,204,831.78 = 622,990,666.60/x
  3. Step 3: Cross multiply
    832,197,725.80x = 1,149,204,831.78 × 622,990,666.60
  4. Step 4: Simplify right side
    832,197,725.80x = 715,943,884,210,563,072
  5. Step 5: Solve for x
    x = 715,943,884,210,563,072/832,197,725.80
  6. Step 6: Final answer
    x = 860,305,023.69

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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.