Home / 2,129,936,128.50-3,194,752,670.10-655,922,235.72

Finding the Fourth Proportional to 2,129,936,128.50, 3,194,752,670.10 and 655,922,235.72

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Solution

The fourth proportional to 2,129,936,128.50, 3,194,752,670.10 and 655,922,235.72 is: 983,836,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,936,128.50 : 3,194,752,670.10 = 655,922,235.72 : x
  2. Step 2: Convert to fraction form
    2,129,936,128.50/3,194,752,670.10 = 655,922,235.72/x
  3. Step 3: Cross multiply
    2,129,936,128.50x = 3,194,752,670.10 × 655,922,235.72
  4. Step 4: Simplify right side
    2,129,936,128.50x = 2,095,509,313,944,431,616
  5. Step 5: Solve for x
    x = 2,095,509,313,944,431,616/2,129,936,128.50
  6. Step 6: Final answer
    x = 983,836,691.58

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1.5x scale

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.