Home / 885,658,009.95-1,327,973,047.29-419,315,518.80

Finding the Fourth Proportional to 885,658,009.95, 1,327,973,047.29 and 419,315,518.80

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Solution

The fourth proportional to 885,658,009.95, 1,327,973,047.29 and 419,315,518.80 is: 628,729,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,658,009.95 : 1,327,973,047.29 = 419,315,518.80 : x
  2. Step 2: Convert to fraction form
    885,658,009.95/1,327,973,047.29 = 419,315,518.80/x
  3. Step 3: Cross multiply
    885,658,009.95x = 1,327,973,047.29 × 419,315,518.80
  4. Step 4: Simplify right side
    885,658,009.95x = 556,839,707,276,823,296
  5. Step 5: Solve for x
    x = 556,839,707,276,823,296/885,658,009.95
  6. Step 6: Final answer
    x = 628,729,939.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.