Home / 554,447,020.98-765,142,935.57-306,932,508.66

Finding the Fourth Proportional to 554,447,020.98, 765,142,935.57 and 306,932,508.66

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Solution

The fourth proportional to 554,447,020.98, 765,142,935.57 and 306,932,508.66 is: 423,570,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,020.98 : 765,142,935.57 = 306,932,508.66 : x
  2. Step 2: Convert to fraction form
    554,447,020.98/765,142,935.57 = 306,932,508.66/x
  3. Step 3: Cross multiply
    554,447,020.98x = 765,142,935.57 × 306,932,508.66
  4. Step 4: Simplify right side
    554,447,020.98x = 234,847,240,697,976,896
  5. Step 5: Solve for x
    x = 234,847,240,697,976,896/554,447,020.98
  6. Step 6: Final answer
    x = 423,570,209.26

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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.