Home / 946,728,019.80-1,420,092,029.70-533,479,498.20

Finding the Fourth Proportional to 946,728,019.80, 1,420,092,029.70 and 533,479,498.20

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Solution

The fourth proportional to 946,728,019.80, 1,420,092,029.70 and 533,479,498.20 is: 800,219,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,728,019.80 : 1,420,092,029.70 = 533,479,498.20 : x
  2. Step 2: Convert to fraction form
    946,728,019.80/1,420,092,029.70 = 533,479,498.20/x
  3. Step 3: Cross multiply
    946,728,019.80x = 1,420,092,029.70 × 533,479,498.20
  4. Step 4: Simplify right side
    946,728,019.80x = 757,589,983,402,175,488
  5. Step 5: Solve for x
    x = 757,589,983,402,175,488/946,728,019.80
  6. Step 6: Final answer
    x = 800,219,247.30

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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.