Home / 848,668,158.72-1,273,002,590.88-381,784,245.12

Finding the Fourth Proportional to 848,668,158.72, 1,273,002,590.88 and 381,784,245.12

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Solution

The fourth proportional to 848,668,158.72, 1,273,002,590.88 and 381,784,245.12 is: 572,676,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,668,158.72 : 1,273,002,590.88 = 381,784,245.12 : x
  2. Step 2: Convert to fraction form
    848,668,158.72/1,273,002,590.88 = 381,784,245.12/x
  3. Step 3: Cross multiply
    848,668,158.72x = 1,273,002,590.88 × 381,784,245.12
  4. Step 4: Simplify right side
    848,668,158.72x = 486,012,333,194,925,056
  5. Step 5: Solve for x
    x = 486,012,333,194,925,056/848,668,158.72
  6. Step 6: Final answer
    x = 572,676,526.39

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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.