Home / 585,928,824.12-809,252,859.65-385,879,962.69

Finding the Fourth Proportional to 585,928,824.12, 809,252,859.65 and 385,879,962.69

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Solution

The fourth proportional to 585,928,824.12, 809,252,859.65 and 385,879,962.69 is: 532,956,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,928,824.12 : 809,252,859.65 = 385,879,962.69 : x
  2. Step 2: Convert to fraction form
    585,928,824.12/809,252,859.65 = 385,879,962.69/x
  3. Step 3: Cross multiply
    585,928,824.12x = 809,252,859.65 × 385,879,962.69
  4. Step 4: Simplify right side
    585,928,824.12x = 312,274,463,288,517,824
  5. Step 5: Solve for x
    x = 312,274,463,288,517,824/585,928,824.12
  6. Step 6: Final answer
    x = 532,956,308.74

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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.