Home / 370,728,052.80-556,092,079.20-353,721,940.80

Finding the Fourth Proportional to 370,728,052.80, 556,092,079.20 and 353,721,940.80

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Solution

The fourth proportional to 370,728,052.80, 556,092,079.20 and 353,721,940.80 is: 530,582,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,728,052.80 : 556,092,079.20 = 353,721,940.80 : x
  2. Step 2: Convert to fraction form
    370,728,052.80/556,092,079.20 = 353,721,940.80/x
  3. Step 3: Cross multiply
    370,728,052.80x = 556,092,079.20 × 353,721,940.80
  4. Step 4: Simplify right side
    370,728,052.80x = 196,701,969,518,131,328
  5. Step 5: Solve for x
    x = 196,701,969,518,131,328/370,728,052.80
  6. Step 6: Final answer
    x = 530,582,911.20

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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.