Home / 885,091,524.54-1,221,428,112.72-488,615,059.46

Finding the Fourth Proportional to 885,091,524.54, 1,221,428,112.72 and 488,615,059.46

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Solution

The fourth proportional to 885,091,524.54, 1,221,428,112.72 and 488,615,059.46 is: 674,289,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,091,524.54 : 1,221,428,112.72 = 488,615,059.46 : x
  2. Step 2: Convert to fraction form
    885,091,524.54/1,221,428,112.72 = 488,615,059.46/x
  3. Step 3: Cross multiply
    885,091,524.54x = 1,221,428,112.72 × 488,615,059.46
  4. Step 4: Simplify right side
    885,091,524.54x = 596,808,169,922,798,336
  5. Step 5: Solve for x
    x = 596,808,169,922,798,336/885,091,524.54
  6. Step 6: Final answer
    x = 674,289,780.63

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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.