Home / 971,157,105.12-1,457,213,965.54-453,512,313.48

Finding the Fourth Proportional to 971,157,105.12, 1,457,213,965.54 and 453,512,313.48

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Solution

The fourth proportional to 971,157,105.12, 1,457,213,965.54 and 453,512,313.48 is: 680,491,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,157,105.12 : 1,457,213,965.54 = 453,512,313.48 : x
  2. Step 2: Convert to fraction form
    971,157,105.12/1,457,213,965.54 = 453,512,313.48/x
  3. Step 3: Cross multiply
    971,157,105.12x = 1,457,213,965.54 × 453,512,313.48
  4. Step 4: Simplify right side
    971,157,105.12x = 660,864,476,747,410,432
  5. Step 5: Solve for x
    x = 660,864,476,747,410,432/971,157,105.12
  6. Step 6: Final answer
    x = 680,491,831.10

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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.