Home / 1,220,981,665.05-1,832,225,817.21-565,810,571.43

Finding the Fourth Proportional to 1,220,981,665.05, 1,832,225,817.21 and 565,810,571.43

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Solution

The fourth proportional to 1,220,981,665.05, 1,832,225,817.21 and 565,810,571.43 is: 849,064,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,981,665.05 : 1,832,225,817.21 = 565,810,571.43 : x
  2. Step 2: Convert to fraction form
    1,220,981,665.05/1,832,225,817.21 = 565,810,571.43/x
  3. Step 3: Cross multiply
    1,220,981,665.05x = 1,832,225,817.21 × 565,810,571.43
  4. Step 4: Simplify right side
    1,220,981,665.05x = 1,036,692,736,624,388,736
  5. Step 5: Solve for x
    x = 1,036,692,736,624,388,736/1,220,981,665.05
  6. Step 6: Final answer
    x = 849,064,950.19

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Double scale
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1.5x scale

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.