Home / 2,042,247,812.31-2,819,603,240.42-1,666,799,972.87

Finding the Fourth Proportional to 2,042,247,812.31, 2,819,603,240.42 and 1,666,799,972.87

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Solution

The fourth proportional to 2,042,247,812.31, 2,819,603,240.42 and 1,666,799,972.87 is: 2,301,245,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,247,812.31 : 2,819,603,240.42 = 1,666,799,972.87 : x
  2. Step 2: Convert to fraction form
    2,042,247,812.31/2,819,603,240.42 = 1,666,799,972.87/x
  3. Step 3: Cross multiply
    2,042,247,812.31x = 2,819,603,240.42 × 1,666,799,972.87
  4. Step 4: Simplify right side
    2,042,247,812.31x = 4,699,714,604,624,220,160
  5. Step 5: Solve for x
    x = 4,699,714,604,624,220,160/2,042,247,812.31
  6. Step 6: Final answer
    x = 2,301,245,997.81

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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.