Home / 370,131,089,195.85-555,234,675,002.25-128,107,803,356

Finding the Fourth Proportional to 370,131,089,195.85, 555,234,675,002.25 and 128,107,803,356

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Solution

The fourth proportional to 370,131,089,195.85, 555,234,675,002.25 and 128,107,803,356 is: 192,174,871,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,131,089,195.85 : 555,234,675,002.25 = 128,107,803,356 : x
  2. Step 2: Convert to fraction form
    370,131,089,195.85/555,234,675,002.25 = 128,107,803,356/x
  3. Step 3: Cross multiply
    370,131,089,195.85x = 555,234,675,002.25 × 128,107,803,356
  4. Step 4: Simplify right side
    370,131,089,195.85x = 71,129,894,561,620,812,627,968
  5. Step 5: Solve for x
    x = 71,129,894,561,620,812,627,968/370,131,089,195.85
  6. Step 6: Final answer
    x = 192,174,871,654.68

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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.