Home / 946,728,009.80-1,420,092,014.70-533,479,488.20

Finding the Fourth Proportional to 946,728,009.80, 1,420,092,014.70 and 533,479,488.20

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Solution

The fourth proportional to 946,728,009.80, 1,420,092,014.70 and 533,479,488.20 is: 800,219,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,728,009.80 : 1,420,092,014.70 = 533,479,488.20 : x
  2. Step 2: Convert to fraction form
    946,728,009.80/1,420,092,014.70 = 533,479,488.20/x
  3. Step 3: Cross multiply
    946,728,009.80x = 1,420,092,014.70 × 533,479,488.20
  4. Step 4: Simplify right side
    946,728,009.80x = 757,589,961,199,062,912
  5. Step 5: Solve for x
    x = 757,589,961,199,062,912/946,728,009.80
  6. Step 6: Final answer
    x = 800,219,232.30

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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.