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Finding the Fourth Proportional to 637,848,082.40, 895,405,962.40 and 637,848,082.40

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Solution

The fourth proportional to 637,848,082.40, 895,405,962.40 and 637,848,082.40 is: 895,405,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,848,082.40 : 895,405,962.40 = 637,848,082.40 : x
  2. Step 2: Convert to fraction form
    637,848,082.40/895,405,962.40 = 637,848,082.40/x
  3. Step 3: Cross multiply
    637,848,082.40x = 895,405,962.40 × 637,848,082.40
  4. Step 4: Simplify right side
    637,848,082.40x = 571,132,976,086,366,464
  5. Step 5: Solve for x
    x = 571,132,976,086,366,464/637,848,082.40
  6. Step 6: Final answer
    x = 895,405,962.40

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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.