Home / 491,548,429.66-678,346,832.61-268,544,555.23

Finding the Fourth Proportional to 491,548,429.66, 678,346,832.61 and 268,544,555.23

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Solution

The fourth proportional to 491,548,429.66, 678,346,832.61 and 268,544,555.23 is: 370,596,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548,429.66 : 678,346,832.61 = 268,544,555.23 : x
  2. Step 2: Convert to fraction form
    491,548,429.66/678,346,832.61 = 268,544,555.23/x
  3. Step 3: Cross multiply
    491,548,429.66x = 678,346,832.61 × 268,544,555.23
  4. Step 4: Simplify right side
    491,548,429.66x = 182,166,348,454,931,712
  5. Step 5: Solve for x
    x = 182,166,348,454,931,712/491,548,429.66
  6. Step 6: Final answer
    x = 370,596,949.28

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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.