Home / 469,937,743.74-648,372,660.75-281,697,354.54

Finding the Fourth Proportional to 469,937,743.74, 648,372,660.75 and 281,697,354.54

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Solution

The fourth proportional to 469,937,743.74, 648,372,660.75 and 281,697,354.54 is: 388,657,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937,743.74 : 648,372,660.75 = 281,697,354.54 : x
  2. Step 2: Convert to fraction form
    469,937,743.74/648,372,660.75 = 281,697,354.54/x
  3. Step 3: Cross multiply
    469,937,743.74x = 648,372,660.75 × 281,697,354.54
  4. Step 4: Simplify right side
    469,937,743.74x = 182,644,863,289,335,904
  5. Step 5: Solve for x
    x = 182,644,863,289,335,904/469,937,743.74
  6. Step 6: Final answer
    x = 388,657,573.74

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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.