Home / 315,044,344.20-471,810,689.10-153,297,323.40

Finding the Fourth Proportional to 315,044,344.20, 471,810,689.10 and 153,297,323.40

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Solution

The fourth proportional to 315,044,344.20, 471,810,689.10 and 153,297,323.40 is: 229,578,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,344.20 : 471,810,689.10 = 153,297,323.40 : x
  2. Step 2: Convert to fraction form
    315,044,344.20/471,810,689.10 = 153,297,323.40/x
  3. Step 3: Cross multiply
    315,044,344.20x = 471,810,689.10 × 153,297,323.40
  4. Step 4: Simplify right side
    315,044,344.20x = 72,327,315,790,539,568
  5. Step 5: Solve for x
    x = 72,327,315,790,539,568/315,044,344.20
  6. Step 6: Final answer
    x = 229,578,207.39

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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.