Home / 1,541,231,078.64-2,126,900,263.32-836,383,066.80

Finding the Fourth Proportional to 1,541,231,078.64, 2,126,900,263.32 and 836,383,066.80

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Solution

The fourth proportional to 1,541,231,078.64, 2,126,900,263.32 and 836,383,066.80 is: 1,154,209,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,231,078.64 : 2,126,900,263.32 = 836,383,066.80 : x
  2. Step 2: Convert to fraction form
    1,541,231,078.64/2,126,900,263.32 = 836,383,066.80/x
  3. Step 3: Cross multiply
    1,541,231,078.64x = 2,126,900,263.32 × 836,383,066.80
  4. Step 4: Simplify right side
    1,541,231,078.64x = 1,778,903,365,013,308,928
  5. Step 5: Solve for x
    x = 1,778,903,365,013,308,928/1,541,231,078.64
  6. Step 6: Final answer
    x = 1,154,209,378.25

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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.