Home / 1,728,887,648.03-2,385,865,724.57-935,933,601.50

Finding the Fourth Proportional to 1,728,887,648.03, 2,385,865,724.57 and 935,933,601.50

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Solution

The fourth proportional to 1,728,887,648.03, 2,385,865,724.57 and 935,933,601.50 is: 1,291,588,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,887,648.03 : 2,385,865,724.57 = 935,933,601.50 : x
  2. Step 2: Convert to fraction form
    1,728,887,648.03/2,385,865,724.57 = 935,933,601.50/x
  3. Step 3: Cross multiply
    1,728,887,648.03x = 2,385,865,724.57 × 935,933,601.50
  4. Step 4: Simplify right side
    1,728,887,648.03x = 2,233,011,900,292,207,360
  5. Step 5: Solve for x
    x = 2,233,011,900,292,207,360/1,728,887,648.03
  6. Step 6: Final answer
    x = 1,291,588,787.07

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Double scale
Find fourth proportional to 1,728,887,649.03, 2,385,865,725.95 and 935,933,602.50
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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.