Home / 670,728,490.12-1,006,201,934.88-198,075,341.80

Finding the Fourth Proportional to 670,728,490.12, 1,006,201,934.88 and 198,075,341.80

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Solution

The fourth proportional to 670,728,490.12, 1,006,201,934.88 and 198,075,341.80 is: 297,145,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,728,490.12 : 1,006,201,934.88 = 198,075,341.80 : x
  2. Step 2: Convert to fraction form
    670,728,490.12/1,006,201,934.88 = 198,075,341.80/x
  3. Step 3: Cross multiply
    670,728,490.12x = 1,006,201,934.88 × 198,075,341.80
  4. Step 4: Simplify right side
    670,728,490.12x = 199,303,792,171,177,344
  5. Step 5: Solve for x
    x = 199,303,792,171,177,344/670,728,490.12
  6. Step 6: Final answer
    x = 297,145,260.87

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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.