Home / 382,740,120.80-573,718,270.80-188,352,562.40

Finding the Fourth Proportional to 382,740,120.80, 573,718,270.80 and 188,352,562.40

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Solution

The fourth proportional to 382,740,120.80, 573,718,270.80 and 188,352,562.40 is: 282,335,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,740,120.80 : 573,718,270.80 = 188,352,562.40 : x
  2. Step 2: Convert to fraction form
    382,740,120.80/573,718,270.80 = 188,352,562.40/x
  3. Step 3: Cross multiply
    382,740,120.80x = 573,718,270.80 × 188,352,562.40
  4. Step 4: Simplify right side
    382,740,120.80x = 108,061,306,400,877,088
  5. Step 5: Solve for x
    x = 108,061,306,400,877,088/382,740,120.80
  6. Step 6: Final answer
    x = 282,335,978.20

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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.