Home / 359,370,553-495,931,362.78-194,358,122.32

Finding the Fourth Proportional to 359,370,553, 495,931,362.78 and 194,358,122.32

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Solution

The fourth proportional to 359,370,553, 495,931,362.78 and 194,358,122.32 is: 268,214,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,370,553 : 495,931,362.78 = 194,358,122.32 : x
  2. Step 2: Convert to fraction form
    359,370,553/495,931,362.78 = 194,358,122.32/x
  3. Step 3: Cross multiply
    359,370,553x = 495,931,362.78 × 194,358,122.32
  4. Step 4: Simplify right side
    359,370,553x = 96,388,288,469,519,520
  5. Step 5: Solve for x
    x = 96,388,288,469,519,520/359,370,553
  6. Step 6: Final answer
    x = 268,214,208.61

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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.