Home / 744,528,472.80-1,116,792,709.20-629,737,216.80

Finding the Fourth Proportional to 744,528,472.80, 1,116,792,709.20 and 629,737,216.80

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Solution

The fourth proportional to 744,528,472.80, 1,116,792,709.20 and 629,737,216.80 is: 944,605,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,528,472.80 : 1,116,792,709.20 = 629,737,216.80 : x
  2. Step 2: Convert to fraction form
    744,528,472.80/1,116,792,709.20 = 629,737,216.80/x
  3. Step 3: Cross multiply
    744,528,472.80x = 1,116,792,709.20 × 629,737,216.80
  4. Step 4: Simplify right side
    744,528,472.80x = 703,285,932,434,139,776
  5. Step 5: Solve for x
    x = 703,285,932,434,139,776/744,528,472.80
  6. Step 6: Final answer
    x = 944,605,825.20

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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.