Home / 1,131,036,558.70-1,696,554,838.05-313,148,859.70

Finding the Fourth Proportional to 1,131,036,558.70, 1,696,554,838.05 and 313,148,859.70

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Solution

The fourth proportional to 1,131,036,558.70, 1,696,554,838.05 and 313,148,859.70 is: 469,723,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,558.70 : 1,696,554,838.05 = 313,148,859.70 : x
  2. Step 2: Convert to fraction form
    1,131,036,558.70/1,696,554,838.05 = 313,148,859.70/x
  3. Step 3: Cross multiply
    1,131,036,558.70x = 1,696,554,838.05 × 313,148,859.70
  4. Step 4: Simplify right side
    1,131,036,558.70x = 531,274,212,953,875,648
  5. Step 5: Solve for x
    x = 531,274,212,953,875,648/1,131,036,558.70
  6. Step 6: Final answer
    x = 469,723,289.55

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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.