Home / 1,986,776,232.20-2,980,164,348.30-606,411,378.80

Finding the Fourth Proportional to 1,986,776,232.20, 2,980,164,348.30 and 606,411,378.80

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Solution

The fourth proportional to 1,986,776,232.20, 2,980,164,348.30 and 606,411,378.80 is: 909,617,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,776,232.20 : 2,980,164,348.30 = 606,411,378.80 : x
  2. Step 2: Convert to fraction form
    1,986,776,232.20/2,980,164,348.30 = 606,411,378.80/x
  3. Step 3: Cross multiply
    1,986,776,232.20x = 2,980,164,348.30 × 606,411,378.80
  4. Step 4: Simplify right side
    1,986,776,232.20x = 1,807,205,571,503,206,400
  5. Step 5: Solve for x
    x = 1,807,205,571,503,206,400/1,986,776,232.20
  6. Step 6: Final answer
    x = 909,617,068.20

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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.