Home / 673,963,405.10-1,010,945,107.65-440,160,857.90

Finding the Fourth Proportional to 673,963,405.10, 1,010,945,107.65 and 440,160,857.90

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Solution

The fourth proportional to 673,963,405.10, 1,010,945,107.65 and 440,160,857.90 is: 660,241,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963,405.10 : 1,010,945,107.65 = 440,160,857.90 : x
  2. Step 2: Convert to fraction form
    673,963,405.10/1,010,945,107.65 = 440,160,857.90/x
  3. Step 3: Cross multiply
    673,963,405.10x = 1,010,945,107.65 × 440,160,857.90
  4. Step 4: Simplify right side
    673,963,405.10x = 444,978,465,873,031,808
  5. Step 5: Solve for x
    x = 444,978,465,873,031,808/673,963,405.10
  6. Step 6: Final answer
    x = 660,241,286.85

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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.