Home / 382,465,703.80-573,698,555.70-123,707,080.90

Finding the Fourth Proportional to 382,465,703.80, 573,698,555.70 and 123,707,080.90

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Solution

The fourth proportional to 382,465,703.80, 573,698,555.70 and 123,707,080.90 is: 185,560,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,465,703.80 : 573,698,555.70 = 123,707,080.90 : x
  2. Step 2: Convert to fraction form
    382,465,703.80/573,698,555.70 = 123,707,080.90/x
  3. Step 3: Cross multiply
    382,465,703.80x = 573,698,555.70 × 123,707,080.90
  4. Step 4: Simplify right side
    382,465,703.80x = 70,970,573,642,193,064
  5. Step 5: Solve for x
    x = 70,970,573,642,193,064/382,465,703.80
  6. Step 6: Final answer
    x = 185,560,621.35

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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.