Home / 919,634,164.64-1,270,755,225.27-654,856,474.27

Finding the Fourth Proportional to 919,634,164.64, 1,270,755,225.27 and 654,856,474.27

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Solution

The fourth proportional to 919,634,164.64, 1,270,755,225.27 and 654,856,474.27 is: 904,884,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,634,164.64 : 1,270,755,225.27 = 654,856,474.27 : x
  2. Step 2: Convert to fraction form
    919,634,164.64/1,270,755,225.27 = 654,856,474.27/x
  3. Step 3: Cross multiply
    919,634,164.64x = 1,270,755,225.27 × 654,856,474.27
  4. Step 4: Simplify right side
    919,634,164.64x = 832,162,286,474,137,984
  5. Step 5: Solve for x
    x = 832,162,286,474,137,984/919,634,164.64
  6. Step 6: Final answer
    x = 904,884,048.97

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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.