Home / 418,001,809.28-625,638,037.92-307,308,256.96

Finding the Fourth Proportional to 418,001,809.28, 625,638,037.92 and 307,308,256.96

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Solution

The fourth proportional to 418,001,809.28, 625,638,037.92 and 307,308,256.96 is: 459,959,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,001,809.28 : 625,638,037.92 = 307,308,256.96 : x
  2. Step 2: Convert to fraction form
    418,001,809.28/625,638,037.92 = 307,308,256.96/x
  3. Step 3: Cross multiply
    418,001,809.28x = 625,638,037.92 × 307,308,256.96
  4. Step 4: Simplify right side
    418,001,809.28x = 192,263,734,921,069,568
  5. Step 5: Solve for x
    x = 192,263,734,921,069,568/418,001,809.28
  6. Step 6: Final answer
    x = 459,959,097.43

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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.