Home / 847,263,013.80-1,270,894,520.70-301,807,717.80

Finding the Fourth Proportional to 847,263,013.80, 1,270,894,520.70 and 301,807,717.80

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Solution

The fourth proportional to 847,263,013.80, 1,270,894,520.70 and 301,807,717.80 is: 452,711,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,263,013.80 : 1,270,894,520.70 = 301,807,717.80 : x
  2. Step 2: Convert to fraction form
    847,263,013.80/1,270,894,520.70 = 301,807,717.80/x
  3. Step 3: Cross multiply
    847,263,013.80x = 1,270,894,520.70 × 301,807,717.80
  4. Step 4: Simplify right side
    847,263,013.80x = 383,565,774,856,991,872
  5. Step 5: Solve for x
    x = 383,565,774,856,991,872/847,263,013.80
  6. Step 6: Final answer
    x = 452,711,576.70

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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.