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Finding the Fourth Proportional to 757,804,986.55, 1,136,707,479.83 and 757,804,986.55

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Solution

The fourth proportional to 757,804,986.55, 1,136,707,479.83 and 757,804,986.55 is: 1,136,707,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,986.55 : 1,136,707,479.83 = 757,804,986.55 : x
  2. Step 2: Convert to fraction form
    757,804,986.55/1,136,707,479.83 = 757,804,986.55/x
  3. Step 3: Cross multiply
    757,804,986.55x = 1,136,707,479.83 × 757,804,986.55
  4. Step 4: Simplify right side
    757,804,986.55x = 861,402,596,463,857,408
  5. Step 5: Solve for x
    x = 861,402,596,463,857,408/757,804,986.55
  6. Step 6: Final answer
    x = 1,136,707,479.83

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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.