Home / 726,623,591.76-1,089,169,980.48-362,352,672.72

Finding the Fourth Proportional to 726,623,591.76, 1,089,169,980.48 and 362,352,672.72

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Solution

The fourth proportional to 726,623,591.76, 1,089,169,980.48 and 362,352,672.72 is: 543,147,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,623,591.76 : 1,089,169,980.48 = 362,352,672.72 : x
  2. Step 2: Convert to fraction form
    726,623,591.76/1,089,169,980.48 = 362,352,672.72/x
  3. Step 3: Cross multiply
    726,623,591.76x = 1,089,169,980.48 × 362,352,672.72
  4. Step 4: Simplify right side
    726,623,591.76x = 394,663,653,473,318,272
  5. Step 5: Solve for x
    x = 394,663,653,473,318,272/726,623,591.76
  6. Step 6: Final answer
    x = 543,147,315.82

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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.