Home / 427,436,400,416.35-641,263,124,973.33-197,869,239,532.49

Finding the Fourth Proportional to 427,436,400,416.35, 641,263,124,973.33 and 197,869,239,532.49

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Solution

The fourth proportional to 427,436,400,416.35, 641,263,124,973.33 and 197,869,239,532.49 is: 296,854,097,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,436,400,416.35 : 641,263,124,973.33 = 197,869,239,532.49 : x
  2. Step 2: Convert to fraction form
    427,436,400,416.35/641,263,124,973.33 = 197,869,239,532.49/x
  3. Step 3: Cross multiply
    427,436,400,416.35x = 641,263,124,973.33 × 197,869,239,532.49
  4. Step 4: Simplify right side
    427,436,400,416.35x = 126,886,246,878,700,889,964,544
  5. Step 5: Solve for x
    x = 126,886,246,878,700,889,964,544/427,436,400,416.35
  6. Step 6: Final answer
    x = 296,854,097,487.03

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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.