Home / 849,632,678.48-1,172,337,448.86-473,279,900.41

Finding the Fourth Proportional to 849,632,678.48, 1,172,337,448.86 and 473,279,900.41

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Solution

The fourth proportional to 849,632,678.48, 1,172,337,448.86 and 473,279,900.41 is: 653,039,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,632,678.48 : 1,172,337,448.86 = 473,279,900.41 : x
  2. Step 2: Convert to fraction form
    849,632,678.48/1,172,337,448.86 = 473,279,900.41/x
  3. Step 3: Cross multiply
    849,632,678.48x = 1,172,337,448.86 × 473,279,900.41
  4. Step 4: Simplify right side
    849,632,678.48x = 554,843,751,043,374,272
  5. Step 5: Solve for x
    x = 554,843,751,043,374,272/849,632,678.48
  6. Step 6: Final answer
    x = 653,039,560.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.