Home / 1,060,128,436.80-1,590,192,655.20-413,896,180.80

Finding the Fourth Proportional to 1,060,128,436.80, 1,590,192,655.20 and 413,896,180.80

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Solution

The fourth proportional to 1,060,128,436.80, 1,590,192,655.20 and 413,896,180.80 is: 620,844,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,128,436.80 : 1,590,192,655.20 = 413,896,180.80 : x
  2. Step 2: Convert to fraction form
    1,060,128,436.80/1,590,192,655.20 = 413,896,180.80/x
  3. Step 3: Cross multiply
    1,060,128,436.80x = 1,590,192,655.20 × 413,896,180.80
  4. Step 4: Simplify right side
    1,060,128,436.80x = 658,174,666,723,491,328
  5. Step 5: Solve for x
    x = 658,174,666,723,491,328/1,060,128,436.80
  6. Step 6: Final answer
    x = 620,844,271.20

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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.