Home / 732,804,553.45-1,099,206,830.18-388,430,785.45

Finding the Fourth Proportional to 732,804,553.45, 1,099,206,830.18 and 388,430,785.45

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Solution

The fourth proportional to 732,804,553.45, 1,099,206,830.18 and 388,430,785.45 is: 582,646,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,804,553.45 : 1,099,206,830.18 = 388,430,785.45 : x
  2. Step 2: Convert to fraction form
    732,804,553.45/1,099,206,830.18 = 388,430,785.45/x
  3. Step 3: Cross multiply
    732,804,553.45x = 1,099,206,830.18 × 388,430,785.45
  4. Step 4: Simplify right side
    732,804,553.45x = 426,965,772,418,822,208
  5. Step 5: Solve for x
    x = 426,965,772,418,822,208/732,804,553.45
  6. Step 6: Final answer
    x = 582,646,178.18

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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.