Home / 314,568,007.20-471,852,010.80-205,728,890.40

Finding the Fourth Proportional to 314,568,007.20, 471,852,010.80 and 205,728,890.40

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Solution

The fourth proportional to 314,568,007.20, 471,852,010.80 and 205,728,890.40 is: 308,593,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,568,007.20 : 471,852,010.80 = 205,728,890.40 : x
  2. Step 2: Convert to fraction form
    314,568,007.20/471,852,010.80 = 205,728,890.40/x
  3. Step 3: Cross multiply
    314,568,007.20x = 471,852,010.80 × 205,728,890.40
  4. Step 4: Simplify right side
    314,568,007.20x = 97,073,590,614,892,816
  5. Step 5: Solve for x
    x = 97,073,590,614,892,816/314,568,007.20
  6. Step 6: Final answer
    x = 308,593,335.60

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1.5x scale

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.