Home / 1,728,887,665.91-2,385,865,749.31-935,933,619.38

Finding the Fourth Proportional to 1,728,887,665.91, 2,385,865,749.31 and 935,933,619.38

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Solution

The fourth proportional to 1,728,887,665.91, 2,385,865,749.31 and 935,933,619.38 is: 1,291,588,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,887,665.91 : 2,385,865,749.31 = 935,933,619.38 : x
  2. Step 2: Convert to fraction form
    1,728,887,665.91/2,385,865,749.31 = 935,933,619.38/x
  3. Step 3: Cross multiply
    1,728,887,665.91x = 2,385,865,749.31 × 935,933,619.38
  4. Step 4: Simplify right side
    1,728,887,665.91x = 2,233,011,966,092,214,784
  5. Step 5: Solve for x
    x = 2,233,011,966,092,214,784/1,728,887,665.91
  6. Step 6: Final answer
    x = 1,291,588,811.77

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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.