Home / 1,658,670,114.54-2,288,951,155.07-905,983,770.04

Finding the Fourth Proportional to 1,658,670,114.54, 2,288,951,155.07 and 905,983,770.04

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Solution

The fourth proportional to 1,658,670,114.54, 2,288,951,155.07 and 905,983,770.04 is: 1,250,250,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,670,114.54 : 2,288,951,155.07 = 905,983,770.04 : x
  2. Step 2: Convert to fraction form
    1,658,670,114.54/2,288,951,155.07 = 905,983,770.04/x
  3. Step 3: Cross multiply
    1,658,670,114.54x = 2,288,951,155.07 × 905,983,770.04
  4. Step 4: Simplify right side
    1,658,670,114.54x = 2,073,752,596,900,921,856
  5. Step 5: Solve for x
    x = 2,073,752,596,900,921,856/1,658,670,114.54
  6. Step 6: Final answer
    x = 1,250,250,172.54

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Double scale
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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.