Home / 1,234,694,112.51-1,852,404,984.41-497,384,605.10

Finding the Fourth Proportional to 1,234,694,112.51, 1,852,404,984.41 and 497,384,605.10

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Solution

The fourth proportional to 1,234,694,112.51, 1,852,404,984.41 and 497,384,605.10 is: 746,223,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,694,112.51 : 1,852,404,984.41 = 497,384,605.10 : x
  2. Step 2: Convert to fraction form
    1,234,694,112.51/1,852,404,984.41 = 497,384,605.10/x
  3. Step 3: Cross multiply
    1,234,694,112.51x = 1,852,404,984.41 × 497,384,605.10
  4. Step 4: Simplify right side
    1,234,694,112.51x = 921,357,721,661,913,984
  5. Step 5: Solve for x
    x = 921,357,721,661,913,984/1,234,694,112.51
  6. Step 6: Final answer
    x = 746,223,467.27

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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.