Home / 1,080,922,126.86-1,491,674,733.10-585,885,170.70

Finding the Fourth Proportional to 1,080,922,126.86, 1,491,674,733.10 and 585,885,170.70

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Solution

The fourth proportional to 1,080,922,126.86, 1,491,674,733.10 and 585,885,170.70 is: 808,522,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,922,126.86 : 1,491,674,733.10 = 585,885,170.70 : x
  2. Step 2: Convert to fraction form
    1,080,922,126.86/1,491,674,733.10 = 585,885,170.70/x
  3. Step 3: Cross multiply
    1,080,922,126.86x = 1,491,674,733.10 × 585,885,170.70
  4. Step 4: Simplify right side
    1,080,922,126.86x = 873,950,105,631,170,432
  5. Step 5: Solve for x
    x = 873,950,105,631,170,432/1,080,922,126.86
  6. Step 6: Final answer
    x = 808,522,726.95

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Double scale
Find fourth proportional to 1,080,922,127.86, 1,491,674,734.48 and 585,885,171.70
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1.5x scale

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.