Home / 1,438,011,638.73-2,157,140,411.64-505,253,410.92

Finding the Fourth Proportional to 1,438,011,638.73, 2,157,140,411.64 and 505,253,410.92

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Solution

The fourth proportional to 1,438,011,638.73, 2,157,140,411.64 and 505,253,410.92 is: 757,923,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,011,638.73 : 2,157,140,411.64 = 505,253,410.92 : x
  2. Step 2: Convert to fraction form
    1,438,011,638.73/2,157,140,411.64 = 505,253,410.92/x
  3. Step 3: Cross multiply
    1,438,011,638.73x = 2,157,140,411.64 × 505,253,410.92
  4. Step 4: Simplify right side
    1,438,011,638.73x = 1,089,902,550,814,482,816
  5. Step 5: Solve for x
    x = 1,089,902,550,814,482,816/1,438,011,638.73
  6. Step 6: Final answer
    x = 757,923,316.79

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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.