Home / 491,142,740.90-677,773,534.50-268,124,422.50

Finding the Fourth Proportional to 491,142,740.90, 677,773,534.50 and 268,124,422.50

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Solution

The fourth proportional to 491,142,740.90, 677,773,534.50 and 268,124,422.50 is: 370,009,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,142,740.90 : 677,773,534.50 = 268,124,422.50 : x
  2. Step 2: Convert to fraction form
    491,142,740.90/677,773,534.50 = 268,124,422.50/x
  3. Step 3: Cross multiply
    491,142,740.90x = 677,773,534.50 × 268,124,422.50
  4. Step 4: Simplify right side
    491,142,740.90x = 181,727,637,523,596,320
  5. Step 5: Solve for x
    x = 181,727,637,523,596,320/491,142,740.90
  6. Step 6: Final answer
    x = 370,009,820.75

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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.