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Finding the Fourth Proportional to 581,991,874.32, 803,028,893.40 and 334,425,398.88

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Solution

The fourth proportional to 581,991,874.32, 803,028,893.40 and 334,425,398.88 is: 461,438,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,991,874.32 : 803,028,893.40 = 334,425,398.88 : x
  2. Step 2: Convert to fraction form
    581,991,874.32/803,028,893.40 = 334,425,398.88/x
  3. Step 3: Cross multiply
    581,991,874.32x = 803,028,893.40 × 334,425,398.88
  4. Step 4: Simplify right side
    581,991,874.32x = 268,553,257,987,460,000
  5. Step 5: Solve for x
    x = 268,553,257,987,460,000/581,991,874.32
  6. Step 6: Final answer
    x = 461,438,157.19

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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.