Home / 1,638,144,842.40-2,457,217,263.60-1,057,669,552.80

Finding the Fourth Proportional to 1,638,144,842.40, 2,457,217,263.60 and 1,057,669,552.80

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Solution

The fourth proportional to 1,638,144,842.40, 2,457,217,263.60 and 1,057,669,552.80 is: 1,586,504,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,144,842.40 : 2,457,217,263.60 = 1,057,669,552.80 : x
  2. Step 2: Convert to fraction form
    1,638,144,842.40/2,457,217,263.60 = 1,057,669,552.80/x
  3. Step 3: Cross multiply
    1,638,144,842.40x = 2,457,217,263.60 × 1,057,669,552.80
  4. Step 4: Simplify right side
    1,638,144,842.40x = 2,598,923,884,324,251,648
  5. Step 5: Solve for x
    x = 2,598,923,884,324,251,648/1,638,144,842.40
  6. Step 6: Final answer
    x = 1,586,504,329.20

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.