Home / 885,657,998.09-1,327,973,029.57-419,315,507.02

Finding the Fourth Proportional to 885,657,998.09, 1,327,973,029.57 and 419,315,507.02

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Solution

The fourth proportional to 885,657,998.09, 1,327,973,029.57 and 419,315,507.02 is: 628,729,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,657,998.09 : 1,327,973,029.57 = 419,315,507.02 : x
  2. Step 2: Convert to fraction form
    885,657,998.09/1,327,973,029.57 = 419,315,507.02/x
  3. Step 3: Cross multiply
    885,657,998.09x = 1,327,973,029.57 × 419,315,507.02
  4. Step 4: Simplify right side
    885,657,998.09x = 556,839,684,203,029,952
  5. Step 5: Solve for x
    x = 556,839,684,203,029,952/885,657,998.09
  6. Step 6: Final answer
    x = 628,729,922.16

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1.5x scale

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.