Home / 370,131,089,196.53-555,234,675,003.30-128,107,803,356.68

Finding the Fourth Proportional to 370,131,089,196.53, 555,234,675,003.30 and 128,107,803,356.68

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Solution

The fourth proportional to 370,131,089,196.53, 555,234,675,003.30 and 128,107,803,356.68 is: 192,174,871,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,131,089,196.53 : 555,234,675,003.30 = 128,107,803,356.68 : x
  2. Step 2: Convert to fraction form
    370,131,089,196.53/555,234,675,003.30 = 128,107,803,356.68/x
  3. Step 3: Cross multiply
    370,131,089,196.53x = 555,234,675,003.30 × 128,107,803,356.68
  4. Step 4: Simplify right side
    370,131,089,196.53x = 71,129,894,562,132,886,814,720
  5. Step 5: Solve for x
    x = 71,129,894,562,132,886,814,720/370,131,089,196.53
  6. Step 6: Final answer
    x = 192,174,871,655.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.