Home / 726,492,083.20-1,089,738,124.80-508,388,696.80

Finding the Fourth Proportional to 726,492,083.20, 1,089,738,124.80 and 508,388,696.80

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Solution

The fourth proportional to 726,492,083.20, 1,089,738,124.80 and 508,388,696.80 is: 762,583,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,492,083.20 : 1,089,738,124.80 = 508,388,696.80 : x
  2. Step 2: Convert to fraction form
    726,492,083.20/1,089,738,124.80 = 508,388,696.80/x
  3. Step 3: Cross multiply
    726,492,083.20x = 1,089,738,124.80 × 508,388,696.80
  4. Step 4: Simplify right side
    726,492,083.20x = 554,010,545,120,347,776
  5. Step 5: Solve for x
    x = 554,010,545,120,347,776/726,492,083.20
  6. Step 6: Final answer
    x = 762,583,045.20

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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.