Home / 669,721,176.90-1,002,617,310.30-469,606,563.09

Finding the Fourth Proportional to 669,721,176.90, 1,002,617,310.30 and 469,606,563.09

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Solution

The fourth proportional to 669,721,176.90, 1,002,617,310.30 and 469,606,563.09 is: 703,032,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,721,176.90 : 1,002,617,310.30 = 469,606,563.09 : x
  2. Step 2: Convert to fraction form
    669,721,176.90/1,002,617,310.30 = 469,606,563.09/x
  3. Step 3: Cross multiply
    669,721,176.90x = 1,002,617,310.30 × 469,606,563.09
  4. Step 4: Simplify right side
    669,721,176.90x = 470,835,669,184,523,008
  5. Step 5: Solve for x
    x = 470,835,669,184,523,008/669,721,176.90
  6. Step 6: Final answer
    x = 703,032,374.40

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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.