Home / 790,080,122.83-1,090,310,190.28-472,540,363.24

Finding the Fourth Proportional to 790,080,122.83, 1,090,310,190.28 and 472,540,363.24

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Solution

The fourth proportional to 790,080,122.83, 1,090,310,190.28 and 472,540,363.24 is: 652,105,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,080,122.83 : 1,090,310,190.28 = 472,540,363.24 : x
  2. Step 2: Convert to fraction form
    790,080,122.83/1,090,310,190.28 = 472,540,363.24/x
  3. Step 3: Cross multiply
    790,080,122.83x = 1,090,310,190.28 × 472,540,363.24
  4. Step 4: Simplify right side
    790,080,122.83x = 515,215,573,353,733,184
  5. Step 5: Solve for x
    x = 515,215,573,353,733,184/790,080,122.83
  6. Step 6: Final answer
    x = 652,105,474.45

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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.