Home / 1,164,921,126.83-1,747,388,223.09-388,564,656.24

Finding the Fourth Proportional to 1,164,921,126.83, 1,747,388,223.09 and 388,564,656.24

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Solution

The fourth proportional to 1,164,921,126.83, 1,747,388,223.09 and 388,564,656.24 is: 582,849,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,921,126.83 : 1,747,388,223.09 = 388,564,656.24 : x
  2. Step 2: Convert to fraction form
    1,164,921,126.83/1,747,388,223.09 = 388,564,656.24/x
  3. Step 3: Cross multiply
    1,164,921,126.83x = 1,747,388,223.09 × 388,564,656.24
  4. Step 4: Simplify right side
    1,164,921,126.83x = 678,973,304,222,790,272
  5. Step 5: Solve for x
    x = 678,973,304,222,790,272/1,164,921,126.83
  6. Step 6: Final answer
    x = 582,849,163.42

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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.