Home / 277,620,367.65-383,116,143.65-153,869,034.21

Finding the Fourth Proportional to 277,620,367.65, 383,116,143.65 and 153,869,034.21

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Solution

The fourth proportional to 277,620,367.65, 383,116,143.65 and 153,869,034.21 is: 212,339,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,620,367.65 : 383,116,143.65 = 153,869,034.21 : x
  2. Step 2: Convert to fraction form
    277,620,367.65/383,116,143.65 = 153,869,034.21/x
  3. Step 3: Cross multiply
    277,620,367.65x = 383,116,143.65 × 153,869,034.21
  4. Step 4: Simplify right side
    277,620,367.65x = 58,949,711,012,915,776
  5. Step 5: Solve for x
    x = 58,949,711,012,915,776/277,620,367.65
  6. Step 6: Final answer
    x = 212,339,287.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.