Home / 453,395,047.32-680,059,770.54-142,591,570.76

Finding the Fourth Proportional to 453,395,047.32, 680,059,770.54 and 142,591,570.76

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Solution

The fourth proportional to 453,395,047.32, 680,059,770.54 and 142,591,570.76 is: 213,877,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,395,047.32 : 680,059,770.54 = 142,591,570.76 : x
  2. Step 2: Convert to fraction form
    453,395,047.32/680,059,770.54 = 142,591,570.76/x
  3. Step 3: Cross multiply
    453,395,047.32x = 680,059,770.54 × 142,591,570.76
  4. Step 4: Simplify right side
    453,395,047.32x = 96,970,790,893,149,200
  5. Step 5: Solve for x
    x = 96,970,790,893,149,200/453,395,047.32
  6. Step 6: Final answer
    x = 213,877,040.49

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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.