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Finding the Fourth Proportional to 757,804,549.15, 1,136,706,823.73 and 757,804,549.15

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Solution

The fourth proportional to 757,804,549.15, 1,136,706,823.73 and 757,804,549.15 is: 1,136,706,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,549.15 : 1,136,706,823.73 = 757,804,549.15 : x
  2. Step 2: Convert to fraction form
    757,804,549.15/1,136,706,823.73 = 757,804,549.15/x
  3. Step 3: Cross multiply
    757,804,549.15x = 1,136,706,823.73 × 757,804,549.15
  4. Step 4: Simplify right side
    757,804,549.15x = 861,401,602,072,441,216
  5. Step 5: Solve for x
    x = 861,401,602,072,441,216/757,804,549.15
  6. Step 6: Final answer
    x = 1,136,706,823.73

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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.