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Finding the Fourth Proportional to 581,991,860.70, 803,028,874.62 and 334,425,385.26

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Solution

The fourth proportional to 581,991,860.70, 803,028,874.62 and 334,425,385.26 is: 461,438,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,991,860.70 : 803,028,874.62 = 334,425,385.26 : x
  2. Step 2: Convert to fraction form
    581,991,860.70/803,028,874.62 = 334,425,385.26/x
  3. Step 3: Cross multiply
    581,991,860.70x = 803,028,874.62 × 334,425,385.26
  4. Step 4: Simplify right side
    581,991,860.70x = 268,553,240,764,846,496
  5. Step 5: Solve for x
    x = 268,553,240,764,846,496/581,991,860.70
  6. Step 6: Final answer
    x = 461,438,138.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.