Home / 491,142,735.47-677,773,527.02-268,124,417.09

Finding the Fourth Proportional to 491,142,735.47, 677,773,527.02 and 268,124,417.09

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Solution

The fourth proportional to 491,142,735.47, 677,773,527.02 and 268,124,417.09 is: 370,009,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,142,735.47 : 677,773,527.02 = 268,124,417.09 : x
  2. Step 2: Convert to fraction form
    491,142,735.47/677,773,527.02 = 268,124,417.09/x
  3. Step 3: Cross multiply
    491,142,735.47x = 677,773,527.02 × 268,124,417.09
  4. Step 4: Simplify right side
    491,142,735.47x = 181,727,631,847,466,944
  5. Step 5: Solve for x
    x = 181,727,631,847,466,944/491,142,735.47
  6. Step 6: Final answer
    x = 370,009,813.29

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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.