Home / 1,010,814,890.16-1,515,253,717.80-427,747,056.24

Finding the Fourth Proportional to 1,010,814,890.16, 1,515,253,717.80 and 427,747,056.24

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Solution

The fourth proportional to 1,010,814,890.16, 1,515,253,717.80 and 427,747,056.24 is: 641,210,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,814,890.16 : 1,515,253,717.80 = 427,747,056.24 : x
  2. Step 2: Convert to fraction form
    1,010,814,890.16/1,515,253,717.80 = 427,747,056.24/x
  3. Step 3: Cross multiply
    1,010,814,890.16x = 1,515,253,717.80 × 427,747,056.24
  4. Step 4: Simplify right side
    1,010,814,890.16x = 648,145,317,245,665,664
  5. Step 5: Solve for x
    x = 648,145,317,245,665,664/1,010,814,890.16
  6. Step 6: Final answer
    x = 641,210,694.02

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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.