Home / 1,079,285,100.70-1,489,423,707.28-633,256,052.62

Finding the Fourth Proportional to 1,079,285,100.70, 1,489,423,707.28 and 633,256,052.62

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Solution

The fourth proportional to 1,079,285,100.70, 1,489,423,707.28 and 633,256,052.62 is: 873,899,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,285,100.70 : 1,489,423,707.28 = 633,256,052.62 : x
  2. Step 2: Convert to fraction form
    1,079,285,100.70/1,489,423,707.28 = 633,256,052.62/x
  3. Step 3: Cross multiply
    1,079,285,100.70x = 1,489,423,707.28 × 633,256,052.62
  4. Step 4: Simplify right side
    1,079,285,100.70x = 943,186,577,550,779,136
  5. Step 5: Solve for x
    x = 943,186,577,550,779,136/1,079,285,100.70
  6. Step 6: Final answer
    x = 873,899,377.41

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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.