Home / 1,407,122,374.24-2,111,007,824.88-486,998,723.44

Finding the Fourth Proportional to 1,407,122,374.24, 2,111,007,824.88 and 486,998,723.44

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Solution

The fourth proportional to 1,407,122,374.24, 2,111,007,824.88 and 486,998,723.44 is: 730,610,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,122,374.24 : 2,111,007,824.88 = 486,998,723.44 : x
  2. Step 2: Convert to fraction form
    1,407,122,374.24/2,111,007,824.88 = 486,998,723.44/x
  3. Step 3: Cross multiply
    1,407,122,374.24x = 2,111,007,824.88 × 486,998,723.44
  4. Step 4: Simplify right side
    1,407,122,374.24x = 1,028,058,115,888,411,136
  5. Step 5: Solve for x
    x = 1,028,058,115,888,411,136/1,407,122,374.24
  6. Step 6: Final answer
    x = 730,610,311.31

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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.