Home / 491,142,742.65-677,773,536.92-268,124,424.25

Finding the Fourth Proportional to 491,142,742.65, 677,773,536.92 and 268,124,424.25

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Solution

The fourth proportional to 491,142,742.65, 677,773,536.92 and 268,124,424.25 is: 370,009,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,142,742.65 : 677,773,536.92 = 268,124,424.25 : x
  2. Step 2: Convert to fraction form
    491,142,742.65/677,773,536.92 = 268,124,424.25/x
  3. Step 3: Cross multiply
    491,142,742.65x = 677,773,536.92 × 268,124,424.25
  4. Step 4: Simplify right side
    491,142,742.65x = 181,727,639,357,220,480
  5. Step 5: Solve for x
    x = 181,727,639,357,220,480/491,142,742.65
  6. Step 6: Final answer
    x = 370,009,823.17

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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.