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Finding the Fourth Proportional to 885,319,226.90, 1,327,978,840.35 and 579,554,465.30

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Solution

The fourth proportional to 885,319,226.90, 1,327,978,840.35 and 579,554,465.30 is: 869,331,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,319,226.90 : 1,327,978,840.35 = 579,554,465.30 : x
  2. Step 2: Convert to fraction form
    885,319,226.90/1,327,978,840.35 = 579,554,465.30/x
  3. Step 3: Cross multiply
    885,319,226.90x = 1,327,978,840.35 × 579,554,465.30
  4. Step 4: Simplify right side
    885,319,226.90x = 769,636,066,748,758,144
  5. Step 5: Solve for x
    x = 769,636,066,748,758,144/885,319,226.90
  6. Step 6: Final answer
    x = 869,331,697.95

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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.