Home / 486,989,594.28-672,027,628.96-263,966,487.49

Finding the Fourth Proportional to 486,989,594.28, 672,027,628.96 and 263,966,487.49

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Solution

The fourth proportional to 486,989,594.28, 672,027,628.96 and 263,966,487.49 is: 364,263,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,989,594.28 : 672,027,628.96 = 263,966,487.49 : x
  2. Step 2: Convert to fraction form
    486,989,594.28/672,027,628.96 = 263,966,487.49/x
  3. Step 3: Cross multiply
    486,989,594.28x = 672,027,628.96 × 263,966,487.49
  4. Step 4: Simplify right side
    486,989,594.28x = 177,392,772,713,974,176
  5. Step 5: Solve for x
    x = 177,392,772,713,974,176/486,989,594.28
  6. Step 6: Final answer
    x = 364,263,990.03

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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.