Home / 1,057,593,643.20-1,585,823,594.40-443,484,043.20

Finding the Fourth Proportional to 1,057,593,643.20, 1,585,823,594.40 and 443,484,043.20

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Solution

The fourth proportional to 1,057,593,643.20, 1,585,823,594.40 and 443,484,043.20 is: 664,988,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,593,643.20 : 1,585,823,594.40 = 443,484,043.20 : x
  2. Step 2: Convert to fraction form
    1,057,593,643.20/1,585,823,594.40 = 443,484,043.20/x
  3. Step 3: Cross multiply
    1,057,593,643.20x = 1,585,823,594.40 × 443,484,043.20
  4. Step 4: Simplify right side
    1,057,593,643.20x = 703,287,459,446,468,864
  5. Step 5: Solve for x
    x = 703,287,459,446,468,864/1,057,593,643.20
  6. Step 6: Final answer
    x = 664,988,357.27

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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.