Home / 315,044,230.20-471,810,518.10-153,297,209.40

Finding the Fourth Proportional to 315,044,230.20, 471,810,518.10 and 153,297,209.40

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Solution

The fourth proportional to 315,044,230.20, 471,810,518.10 and 153,297,209.40 is: 229,578,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,230.20 : 471,810,518.10 = 153,297,209.40 : x
  2. Step 2: Convert to fraction form
    315,044,230.20/471,810,518.10 = 153,297,209.40/x
  3. Step 3: Cross multiply
    315,044,230.20x = 471,810,518.10 × 153,297,209.40
  4. Step 4: Simplify right side
    315,044,230.20x = 72,327,235,790,298,192
  5. Step 5: Solve for x
    x = 72,327,235,790,298,192/315,044,230.20
  6. Step 6: Final answer
    x = 229,578,036.53

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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.