Home / 673,986,727.20-1,010,980,090.80-382,741,312.80

Finding the Fourth Proportional to 673,986,727.20, 1,010,980,090.80 and 382,741,312.80

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Solution

The fourth proportional to 673,986,727.20, 1,010,980,090.80 and 382,741,312.80 is: 574,111,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,986,727.20 : 1,010,980,090.80 = 382,741,312.80 : x
  2. Step 2: Convert to fraction form
    673,986,727.20/1,010,980,090.80 = 382,741,312.80/x
  3. Step 3: Cross multiply
    673,986,727.20x = 1,010,980,090.80 × 382,741,312.80
  4. Step 4: Simplify right side
    673,986,727.20x = 386,943,847,167,455,168
  5. Step 5: Solve for x
    x = 386,943,847,167,455,168/673,986,727.20
  6. Step 6: Final answer
    x = 574,111,969.20

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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.