Home / 1,728,887,635.76-2,385,865,707.64-935,933,589.22

Finding the Fourth Proportional to 1,728,887,635.76, 2,385,865,707.64 and 935,933,589.22

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Solution

The fourth proportional to 1,728,887,635.76, 2,385,865,707.64 and 935,933,589.22 is: 1,291,588,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,887,635.76 : 2,385,865,707.64 = 935,933,589.22 : x
  2. Step 2: Convert to fraction form
    1,728,887,635.76/2,385,865,707.64 = 935,933,589.22/x
  3. Step 3: Cross multiply
    1,728,887,635.76x = 2,385,865,707.64 × 935,933,589.22
  4. Step 4: Simplify right side
    1,728,887,635.76x = 2,233,011,855,148,420,352
  5. Step 5: Solve for x
    x = 2,233,011,855,148,420,352/1,728,887,635.76
  6. Step 6: Final answer
    x = 1,291,588,770.12

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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.