Home / 1,006,456,509.26-1,388,896,739.34-554,325,794.44

Finding the Fourth Proportional to 1,006,456,509.26, 1,388,896,739.34 and 554,325,794.44

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Solution

The fourth proportional to 1,006,456,509.26, 1,388,896,739.34 and 554,325,794.44 is: 764,962,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,456,509.26 : 1,388,896,739.34 = 554,325,794.44 : x
  2. Step 2: Convert to fraction form
    1,006,456,509.26/1,388,896,739.34 = 554,325,794.44/x
  3. Step 3: Cross multiply
    1,006,456,509.26x = 1,388,896,739.34 × 554,325,794.44
  4. Step 4: Simplify right side
    1,006,456,509.26x = 769,901,288,429,771,136
  5. Step 5: Solve for x
    x = 769,901,288,429,771,136/1,006,456,509.26
  6. Step 6: Final answer
    x = 764,962,302.24

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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.