Home / 941,755,665.64-1,299,612,505.22-518,360,274.60

Finding the Fourth Proportional to 941,755,665.64, 1,299,612,505.22 and 518,360,274.60

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Solution

The fourth proportional to 941,755,665.64, 1,299,612,505.22 and 518,360,274.60 is: 715,331,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,755,665.64 : 1,299,612,505.22 = 518,360,274.60 : x
  2. Step 2: Convert to fraction form
    941,755,665.64/1,299,612,505.22 = 518,360,274.60/x
  3. Step 3: Cross multiply
    941,755,665.64x = 1,299,612,505.22 × 518,360,274.60
  4. Step 4: Simplify right side
    941,755,665.64x = 673,667,495,079,433,216
  5. Step 5: Solve for x
    x = 673,667,495,079,433,216/941,755,665.64
  6. Step 6: Final answer
    x = 715,331,502.28

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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.