Home / 673,742,243.39-1,010,709,769.38-207,443,121.51

Finding the Fourth Proportional to 673,742,243.39, 1,010,709,769.38 and 207,443,121.51

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Solution

The fourth proportional to 673,742,243.39, 1,010,709,769.38 and 207,443,121.51 is: 311,194,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,742,243.39 : 1,010,709,769.38 = 207,443,121.51 : x
  2. Step 2: Convert to fraction form
    673,742,243.39/1,010,709,769.38 = 207,443,121.51/x
  3. Step 3: Cross multiply
    673,742,243.39x = 1,010,709,769.38 × 207,443,121.51
  4. Step 4: Simplify right side
    673,742,243.39x = 209,664,789,500,839,392
  5. Step 5: Solve for x
    x = 209,664,789,500,839,392/673,742,243.39
  6. Step 6: Final answer
    x = 311,194,364.85

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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.