Home / 1,080,698,149.45-1,491,364,721.64-585,660,857.95

Finding the Fourth Proportional to 1,080,698,149.45, 1,491,364,721.64 and 585,660,857.95

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Solution

The fourth proportional to 1,080,698,149.45, 1,491,364,721.64 and 585,660,857.95 is: 808,212,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,698,149.45 : 1,491,364,721.64 = 585,660,857.95 : x
  2. Step 2: Convert to fraction form
    1,080,698,149.45/1,491,364,721.64 = 585,660,857.95/x
  3. Step 3: Cross multiply
    1,080,698,149.45x = 1,491,364,721.64 × 585,660,857.95
  4. Step 4: Simplify right side
    1,080,698,149.45x = 873,433,942,392,045,440
  5. Step 5: Solve for x
    x = 873,433,942,392,045,440/1,080,698,149.45
  6. Step 6: Final answer
    x = 808,212,675.15

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Double scale
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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.