Home / 1,728,909,185.70-2,385,895,475.71-935,955,165.70

Finding the Fourth Proportional to 1,728,909,185.70, 2,385,895,475.71 and 935,955,165.70

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Solution

The fourth proportional to 1,728,909,185.70, 2,385,895,475.71 and 935,955,165.70 is: 1,291,618,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,909,185.70 : 2,385,895,475.71 = 935,955,165.70 : x
  2. Step 2: Convert to fraction form
    1,728,909,185.70/2,385,895,475.71 = 935,955,165.70/x
  3. Step 3: Cross multiply
    1,728,909,185.70x = 2,385,895,475.71 × 935,955,165.70
  4. Step 4: Simplify right side
    1,728,909,185.70x = 2,233,091,195,311,033,600
  5. Step 5: Solve for x
    x = 2,233,091,195,311,033,600/1,728,909,185.70
  6. Step 6: Final answer
    x = 1,291,618,561.45

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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.