Home / 836,364,135.51-1,254,689,129.60-344,808,695.97

Finding the Fourth Proportional to 836,364,135.51, 1,254,689,129.60 and 344,808,695.97

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Solution

The fourth proportional to 836,364,135.51, 1,254,689,129.60 and 344,808,695.97 is: 517,271,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,364,135.51 : 1,254,689,129.60 = 344,808,695.97 : x
  2. Step 2: Convert to fraction form
    836,364,135.51/1,254,689,129.60 = 344,808,695.97/x
  3. Step 3: Cross multiply
    836,364,135.51x = 1,254,689,129.60 × 344,808,695.97
  4. Step 4: Simplify right side
    836,364,135.51x = 432,627,722,617,112,832
  5. Step 5: Solve for x
    x = 432,627,722,617,112,832/836,364,135.51
  6. Step 6: Final answer
    x = 517,271,968.33

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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.