Home / 1,282,121,809,391.50-1,923,244,562,354.70-421,576,926,344.16

Finding the Fourth Proportional to 1,282,121,809,391.50, 1,923,244,562,354.70 and 421,576,926,344.16

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Solution

The fourth proportional to 1,282,121,809,391.50, 1,923,244,562,354.70 and 421,576,926,344.16 is: 632,385,725,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,121,809,391.50 : 1,923,244,562,354.70 = 421,576,926,344.16 : x
  2. Step 2: Convert to fraction form
    1,282,121,809,391.50/1,923,244,562,354.70 = 421,576,926,344.16/x
  3. Step 3: Cross multiply
    1,282,121,809,391.50x = 1,923,244,562,354.70 × 421,576,926,344.16
  4. Step 4: Simplify right side
    1,282,121,809,391.50x = 810,795,531,205,613,480,574,976
  5. Step 5: Solve for x
    x = 810,795,531,205,613,480,574,976/1,282,121,809,391.50
  6. Step 6: Final answer
    x = 632,385,725,963.45

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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.