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Finding the Fourth Proportional to 1,021,036,358.85, 1,531,554,538.28 and 1,021,036,358.85

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Solution

The fourth proportional to 1,021,036,358.85, 1,531,554,538.28 and 1,021,036,358.85 is: 1,531,554,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,036,358.85 : 1,531,554,538.28 = 1,021,036,358.85 : x
  2. Step 2: Convert to fraction form
    1,021,036,358.85/1,531,554,538.28 = 1,021,036,358.85/x
  3. Step 3: Cross multiply
    1,021,036,358.85x = 1,531,554,538.28 × 1,021,036,358.85
  4. Step 4: Simplify right side
    1,021,036,358.85x = 1,563,772,869,145,604,096
  5. Step 5: Solve for x
    x = 1,563,772,869,145,604,096/1,021,036,358.85
  6. Step 6: Final answer
    x = 1,531,554,538.28

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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.