Home / 673,918,022.82-1,010,985,658.12-207,579,229.98

Finding the Fourth Proportional to 673,918,022.82, 1,010,985,658.12 and 207,579,229.98

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Solution

The fourth proportional to 673,918,022.82, 1,010,985,658.12 and 207,579,229.98 is: 311,402,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,918,022.82 : 1,010,985,658.12 = 207,579,229.98 : x
  2. Step 2: Convert to fraction form
    673,918,022.82/1,010,985,658.12 = 207,579,229.98/x
  3. Step 3: Cross multiply
    673,918,022.82x = 1,010,985,658.12 × 207,579,229.98
  4. Step 4: Simplify right side
    673,918,022.82x = 209,859,624,429,831,008
  5. Step 5: Solve for x
    x = 209,859,624,429,831,008/673,918,022.82
  6. Step 6: Final answer
    x = 311,402,303.13

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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.