Home / 441,288,087.40-661,932,131.10-288,233,079.40

Finding the Fourth Proportional to 441,288,087.40, 661,932,131.10 and 288,233,079.40

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Solution

The fourth proportional to 441,288,087.40, 661,932,131.10 and 288,233,079.40 is: 432,349,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,288,087.40 : 661,932,131.10 = 288,233,079.40 : x
  2. Step 2: Convert to fraction form
    441,288,087.40/661,932,131.10 = 288,233,079.40/x
  3. Step 3: Cross multiply
    441,288,087.40x = 661,932,131.10 × 288,233,079.40
  4. Step 4: Simplify right side
    441,288,087.40x = 190,790,736,500,757,504
  5. Step 5: Solve for x
    x = 190,790,736,500,757,504/441,288,087.40
  6. Step 6: Final answer
    x = 432,349,619.10

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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.