Home / 732,804,542.70-1,099,206,814.05-388,430,774.70

Finding the Fourth Proportional to 732,804,542.70, 1,099,206,814.05 and 388,430,774.70

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Solution

The fourth proportional to 732,804,542.70, 1,099,206,814.05 and 388,430,774.70 is: 582,646,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,804,542.70 : 1,099,206,814.05 = 388,430,774.70 : x
  2. Step 2: Convert to fraction form
    732,804,542.70/1,099,206,814.05 = 388,430,774.70/x
  3. Step 3: Cross multiply
    732,804,542.70x = 1,099,206,814.05 × 388,430,774.70
  4. Step 4: Simplify right side
    732,804,542.70x = 426,965,754,336,960,320
  5. Step 5: Solve for x
    x = 426,965,754,336,960,320/732,804,542.70
  6. Step 6: Final answer
    x = 582,646,162.05

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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.