Home / 554,447,026.23-765,142,942.82-306,932,513.91

Finding the Fourth Proportional to 554,447,026.23, 765,142,942.82 and 306,932,513.91

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Solution

The fourth proportional to 554,447,026.23, 765,142,942.82 and 306,932,513.91 is: 423,570,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,026.23 : 765,142,942.82 = 306,932,513.91 : x
  2. Step 2: Convert to fraction form
    554,447,026.23/765,142,942.82 = 306,932,513.91/x
  3. Step 3: Cross multiply
    554,447,026.23x = 765,142,942.82 × 306,932,513.91
  4. Step 4: Simplify right side
    554,447,026.23x = 234,847,246,938,703,360
  5. Step 5: Solve for x
    x = 234,847,246,938,703,360/554,447,026.23
  6. Step 6: Final answer
    x = 423,570,216.50

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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.