Home / 545,048,777.76-752,068,096.52-306,856,921.56

Finding the Fourth Proportional to 545,048,777.76, 752,068,096.52 and 306,856,921.56

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Solution

The fourth proportional to 545,048,777.76, 752,068,096.52 and 306,856,921.56 is: 423,406,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,048,777.76 : 752,068,096.52 = 306,856,921.56 : x
  2. Step 2: Convert to fraction form
    545,048,777.76/752,068,096.52 = 306,856,921.56/x
  3. Step 3: Cross multiply
    545,048,777.76x = 752,068,096.52 × 306,856,921.56
  4. Step 4: Simplify right side
    545,048,777.76x = 230,777,300,901,616,160
  5. Step 5: Solve for x
    x = 230,777,300,901,616,160/545,048,777.76
  6. Step 6: Final answer
    x = 423,406,693.71

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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.