Home / 3,219,674,147.36-4,440,152,657.01-2,089,435,405.15

Finding the Fourth Proportional to 3,219,674,147.36, 4,440,152,657.01 and 2,089,435,405.15

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Solution

The fourth proportional to 3,219,674,147.36, 4,440,152,657.01 and 2,089,435,405.15 is: 2,881,475,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,674,147.36 : 4,440,152,657.01 = 2,089,435,405.15 : x
  2. Step 2: Convert to fraction form
    3,219,674,147.36/4,440,152,657.01 = 2,089,435,405.15/x
  3. Step 3: Cross multiply
    3,219,674,147.36x = 4,440,152,657.01 × 2,089,435,405.15
  4. Step 4: Simplify right side
    3,219,674,147.36x = 9,277,412,165,838,430,208
  5. Step 5: Solve for x
    x = 9,277,412,165,838,430,208/3,219,674,147.36
  6. Step 6: Final answer
    x = 2,881,475,497.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.