Home / 315,044,332.20-471,810,671.10-153,297,311.40

Finding the Fourth Proportional to 315,044,332.20, 471,810,671.10 and 153,297,311.40

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Solution

The fourth proportional to 315,044,332.20, 471,810,671.10 and 153,297,311.40 is: 229,578,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,332.20 : 471,810,671.10 = 153,297,311.40 : x
  2. Step 2: Convert to fraction form
    315,044,332.20/471,810,671.10 = 153,297,311.40/x
  3. Step 3: Cross multiply
    315,044,332.20x = 471,810,671.10 × 153,297,311.40
  4. Step 4: Simplify right side
    315,044,332.20x = 72,327,307,369,459,680
  5. Step 5: Solve for x
    x = 72,327,307,369,459,680/315,044,332.20
  6. Step 6: Final answer
    x = 229,578,189.41

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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.