Home / 383,656,543.20-575,484,814.80-339,314,680.80

Finding the Fourth Proportional to 383,656,543.20, 575,484,814.80 and 339,314,680.80

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Solution

The fourth proportional to 383,656,543.20, 575,484,814.80 and 339,314,680.80 is: 508,972,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,656,543.20 : 575,484,814.80 = 339,314,680.80 : x
  2. Step 2: Convert to fraction form
    383,656,543.20/575,484,814.80 = 339,314,680.80/x
  3. Step 3: Cross multiply
    383,656,543.20x = 575,484,814.80 × 339,314,680.80
  4. Step 4: Simplify right side
    383,656,543.20x = 195,270,446,239,109,120
  5. Step 5: Solve for x
    x = 195,270,446,239,109,120/383,656,543.20
  6. Step 6: Final answer
    x = 508,972,021.20

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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.