Home / 528,233,851.80-728,985,482.46-293,284,523.88

Finding the Fourth Proportional to 528,233,851.80, 728,985,482.46 and 293,284,523.88

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Solution

The fourth proportional to 528,233,851.80, 728,985,482.46 and 293,284,523.88 is: 404,745,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,233,851.80 : 728,985,482.46 = 293,284,523.88 : x
  2. Step 2: Convert to fraction form
    528,233,851.80/728,985,482.46 = 293,284,523.88/x
  3. Step 3: Cross multiply
    528,233,851.80x = 728,985,482.46 × 293,284,523.88
  4. Step 4: Simplify right side
    528,233,851.80x = 213,800,160,138,713,184
  5. Step 5: Solve for x
    x = 213,800,160,138,713,184/528,233,851.80
  6. Step 6: Final answer
    x = 404,745,283.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.