Home / 979,869,673.80-1,469,804,510.70-738,004,969.80

Finding the Fourth Proportional to 979,869,673.80, 1,469,804,510.70 and 738,004,969.80

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Solution

The fourth proportional to 979,869,673.80, 1,469,804,510.70 and 738,004,969.80 is: 1,107,007,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,869,673.80 : 1,469,804,510.70 = 738,004,969.80 : x
  2. Step 2: Convert to fraction form
    979,869,673.80/1,469,804,510.70 = 738,004,969.80/x
  3. Step 3: Cross multiply
    979,869,673.80x = 1,469,804,510.70 × 738,004,969.80
  4. Step 4: Simplify right side
    979,869,673.80x = 1,084,723,033,531,057,280
  5. Step 5: Solve for x
    x = 1,084,723,033,531,057,280/979,869,673.80
  6. Step 6: Final answer
    x = 1,107,007,454.70

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1.5x scale

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.