Home / 1,419,987,124.80-2,128,972,917.60-546,250,881.60

Finding the Fourth Proportional to 1,419,987,124.80, 2,128,972,917.60 and 546,250,881.60

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Solution

The fourth proportional to 1,419,987,124.80, 2,128,972,917.60 and 546,250,881.60 is: 818,988,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,987,124.80 : 2,128,972,917.60 = 546,250,881.60 : x
  2. Step 2: Convert to fraction form
    1,419,987,124.80/2,128,972,917.60 = 546,250,881.60/x
  3. Step 3: Cross multiply
    1,419,987,124.80x = 2,128,972,917.60 × 546,250,881.60
  4. Step 4: Simplify right side
    1,419,987,124.80x = 1,162,953,333,141,524,224
  5. Step 5: Solve for x
    x = 1,162,953,333,141,524,224/1,419,987,124.80
  6. Step 6: Final answer
    x = 818,988,646.33

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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.