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Finding the Fourth Proportional to 757,804,986.30, 1,136,707,479.45 and 757,804,986.30

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Solution

The fourth proportional to 757,804,986.30, 1,136,707,479.45 and 757,804,986.30 is: 1,136,707,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,986.30 : 1,136,707,479.45 = 757,804,986.30 : x
  2. Step 2: Convert to fraction form
    757,804,986.30/1,136,707,479.45 = 757,804,986.30/x
  3. Step 3: Cross multiply
    757,804,986.30x = 1,136,707,479.45 × 757,804,986.30
  4. Step 4: Simplify right side
    757,804,986.30x = 861,402,595,891,714,816
  5. Step 5: Solve for x
    x = 861,402,595,891,714,816/757,804,986.30
  6. Step 6: Final answer
    x = 1,136,707,479.45

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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.