Home / 820,187,023.33-1,131,858,092.02-448,909,054.70

Finding the Fourth Proportional to 820,187,023.33, 1,131,858,092.02 and 448,909,054.70

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Solution

The fourth proportional to 820,187,023.33, 1,131,858,092.02 and 448,909,054.70 is: 619,494,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,187,023.33 : 1,131,858,092.02 = 448,909,054.70 : x
  2. Step 2: Convert to fraction form
    820,187,023.33/1,131,858,092.02 = 448,909,054.70/x
  3. Step 3: Cross multiply
    820,187,023.33x = 1,131,858,092.02 × 448,909,054.70
  4. Step 4: Simplify right side
    820,187,023.33x = 508,101,346,144,951,104
  5. Step 5: Solve for x
    x = 508,101,346,144,951,104/820,187,023.33
  6. Step 6: Final answer
    x = 619,494,495.39

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1.5x scale

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.