Home / 885,658,032.45-1,327,973,081.04-419,315,541.30

Finding the Fourth Proportional to 885,658,032.45, 1,327,973,081.04 and 419,315,541.30

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Solution

The fourth proportional to 885,658,032.45, 1,327,973,081.04 and 419,315,541.30 is: 628,729,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,658,032.45 : 1,327,973,081.04 = 419,315,541.30 : x
  2. Step 2: Convert to fraction form
    885,658,032.45/1,327,973,081.04 = 419,315,541.30/x
  3. Step 3: Cross multiply
    885,658,032.45x = 1,327,973,081.04 × 419,315,541.30
  4. Step 4: Simplify right side
    885,658,032.45x = 556,839,751,308,116,352
  5. Step 5: Solve for x
    x = 556,839,751,308,116,352/885,658,032.45
  6. Step 6: Final answer
    x = 628,729,973.54

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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.