Home / 925,407,905.48-1,388,062,969.76-303,541,222.89

Finding the Fourth Proportional to 925,407,905.48, 1,388,062,969.76 and 303,541,222.89

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Solution

The fourth proportional to 925,407,905.48, 1,388,062,969.76 and 303,541,222.89 is: 455,295,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,407,905.48 : 1,388,062,969.76 = 303,541,222.89 : x
  2. Step 2: Convert to fraction form
    925,407,905.48/1,388,062,969.76 = 303,541,222.89/x
  3. Step 3: Cross multiply
    925,407,905.48x = 1,388,062,969.76 × 303,541,222.89
  4. Step 4: Simplify right side
    925,407,905.48x = 421,334,331,280,817,472
  5. Step 5: Solve for x
    x = 421,334,331,280,817,472/925,407,905.48
  6. Step 6: Final answer
    x = 455,295,798.52

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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.