Home / 1,241,568,049.20-1,861,680,227.40-514,630,244.40

Finding the Fourth Proportional to 1,241,568,049.20, 1,861,680,227.40 and 514,630,244.40

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Solution

The fourth proportional to 1,241,568,049.20, 1,861,680,227.40 and 514,630,244.40 is: 771,666,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,568,049.20 : 1,861,680,227.40 = 514,630,244.40 : x
  2. Step 2: Convert to fraction form
    1,241,568,049.20/1,861,680,227.40 = 514,630,244.40/x
  3. Step 3: Cross multiply
    1,241,568,049.20x = 1,861,680,227.40 × 514,630,244.40
  4. Step 4: Simplify right side
    1,241,568,049.20x = 958,076,950,421,509,632
  5. Step 5: Solve for x
    x = 958,076,950,421,509,632/1,241,568,049.20
  6. Step 6: Final answer
    x = 771,666,886.11

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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.