Home / 554,447,027.98-765,142,945.23-306,932,515.66

Finding the Fourth Proportional to 554,447,027.98, 765,142,945.23 and 306,932,515.66

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Solution

The fourth proportional to 554,447,027.98, 765,142,945.23 and 306,932,515.66 is: 423,570,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,027.98 : 765,142,945.23 = 306,932,515.66 : x
  2. Step 2: Convert to fraction form
    554,447,027.98/765,142,945.23 = 306,932,515.66/x
  3. Step 3: Cross multiply
    554,447,027.98x = 765,142,945.23 × 306,932,515.66
  4. Step 4: Simplify right side
    554,447,027.98x = 234,847,249,018,945,536
  5. Step 5: Solve for x
    x = 234,847,249,018,945,536/554,447,027.98
  6. Step 6: Final answer
    x = 423,570,218.92

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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.