Home / 939,208,998.81-1,296,227,992.28-567,933,687.39

Finding the Fourth Proportional to 939,208,998.81, 1,296,227,992.28 and 567,933,687.39

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Solution

The fourth proportional to 939,208,998.81, 1,296,227,992.28 and 567,933,687.39 is: 783,820,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,208,998.81 : 1,296,227,992.28 = 567,933,687.39 : x
  2. Step 2: Convert to fraction form
    939,208,998.81/1,296,227,992.28 = 567,933,687.39/x
  3. Step 3: Cross multiply
    939,208,998.81x = 1,296,227,992.28 × 567,933,687.39
  4. Step 4: Simplify right side
    939,208,998.81x = 736,171,543,350,877,184
  5. Step 5: Solve for x
    x = 736,171,543,350,877,184/939,208,998.81
  6. Step 6: Final answer
    x = 783,820,794.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.