Home / 1,188,804,531.60-1,783,206,797.40-637,806,502.80

Finding the Fourth Proportional to 1,188,804,531.60, 1,783,206,797.40 and 637,806,502.80

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Solution

The fourth proportional to 1,188,804,531.60, 1,783,206,797.40 and 637,806,502.80 is: 956,709,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,804,531.60 : 1,783,206,797.40 = 637,806,502.80 : x
  2. Step 2: Convert to fraction form
    1,188,804,531.60/1,783,206,797.40 = 637,806,502.80/x
  3. Step 3: Cross multiply
    1,188,804,531.60x = 1,783,206,797.40 × 637,806,502.80
  4. Step 4: Simplify right side
    1,188,804,531.60x = 1,137,340,891,218,882,048
  5. Step 5: Solve for x
    x = 1,137,340,891,218,882,048/1,188,804,531.60
  6. Step 6: Final answer
    x = 956,709,754.20

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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.