Home / 1,179,556,956.80-1,767,079,358.40-634,117,212.80

Finding the Fourth Proportional to 1,179,556,956.80, 1,767,079,358.40 and 634,117,212.80

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Solution

The fourth proportional to 1,179,556,956.80, 1,767,079,358.40 and 634,117,212.80 is: 949,962,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,556,956.80 : 1,767,079,358.40 = 634,117,212.80 : x
  2. Step 2: Convert to fraction form
    1,179,556,956.80/1,767,079,358.40 = 634,117,212.80/x
  3. Step 3: Cross multiply
    1,179,556,956.80x = 1,767,079,358.40 × 634,117,212.80
  4. Step 4: Simplify right side
    1,179,556,956.80x = 1,120,535,437,545,020,288
  5. Step 5: Solve for x
    x = 1,120,535,437,545,020,288/1,179,556,956.80
  6. Step 6: Final answer
    x = 949,962,976.43

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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.