Home / 491,191,851.70-677,841,245.81-268,173,526.04

Finding the Fourth Proportional to 491,191,851.70, 677,841,245.81 and 268,173,526.04

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Solution

The fourth proportional to 491,191,851.70, 677,841,245.81 and 268,173,526.04 is: 370,077,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,191,851.70 : 677,841,245.81 = 268,173,526.04 : x
  2. Step 2: Convert to fraction form
    491,191,851.70/677,841,245.81 = 268,173,526.04/x
  3. Step 3: Cross multiply
    491,191,851.70x = 677,841,245.81 × 268,173,526.04
  4. Step 4: Simplify right side
    491,191,851.70x = 181,779,076,980,824,864
  5. Step 5: Solve for x
    x = 181,779,076,980,824,864/491,191,851.70
  6. Step 6: Final answer
    x = 370,077,549.85

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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.