Home / 1,227,545,611.75-1,842,482,529.46-759,792,127.52

Finding the Fourth Proportional to 1,227,545,611.75, 1,842,482,529.46 and 759,792,127.52

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Solution

The fourth proportional to 1,227,545,611.75, 1,842,482,529.46 and 759,792,127.52 is: 1,140,408,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,545,611.75 : 1,842,482,529.46 = 759,792,127.52 : x
  2. Step 2: Convert to fraction form
    1,227,545,611.75/1,842,482,529.46 = 759,792,127.52/x
  3. Step 3: Cross multiply
    1,227,545,611.75x = 1,842,482,529.46 × 759,792,127.52
  4. Step 4: Simplify right side
    1,227,545,611.75x = 1,399,903,720,977,651,712
  5. Step 5: Solve for x
    x = 1,399,903,720,977,651,712/1,227,545,611.75
  6. Step 6: Final answer
    x = 1,140,408,720.93

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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.