Home / 5,179,283,668.35-7,147,118,002.03-2,921,088,224.79

Finding the Fourth Proportional to 5,179,283,668.35, 7,147,118,002.03 and 2,921,088,224.79

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Solution

The fourth proportional to 5,179,283,668.35, 7,147,118,002.03 and 2,921,088,224.79 is: 4,030,936,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,283,668.35 : 7,147,118,002.03 = 2,921,088,224.79 : x
  2. Step 2: Convert to fraction form
    5,179,283,668.35/7,147,118,002.03 = 2,921,088,224.79/x
  3. Step 3: Cross multiply
    5,179,283,668.35x = 7,147,118,002.03 × 2,921,088,224.79
  4. Step 4: Simplify right side
    5,179,283,668.35x = 20,877,362,236,878,725,120
  5. Step 5: Solve for x
    x = 20,877,362,236,878,725,120/5,179,283,668.35
  6. Step 6: Final answer
    x = 4,030,936,240.18

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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.