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Finding the Fourth Proportional to 9,687,389,616.30, 13,571,528,763.30 and 9,687,389,616.30

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Solution

The fourth proportional to 9,687,389,616.30, 13,571,528,763.30 and 9,687,389,616.30 is: 13,571,528,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687,389,616.30 : 13,571,528,763.30 = 9,687,389,616.30 : x
  2. Step 2: Convert to fraction form
    9,687,389,616.30/13,571,528,763.30 = 9,687,389,616.30/x
  3. Step 3: Cross multiply
    9,687,389,616.30x = 13,571,528,763.30 × 9,687,389,616.30
  4. Step 4: Simplify right side
    9,687,389,616.30x = 131,472,686,818,909,175,808
  5. Step 5: Solve for x
    x = 131,472,686,818,909,175,808/9,687,389,616.30
  6. Step 6: Final answer
    x = 13,571,528,763.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.