Home / 370,131,089,197.03-555,234,675,004.05-128,107,803,357.18

Finding the Fourth Proportional to 370,131,089,197.03, 555,234,675,004.05 and 128,107,803,357.18

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Solution

The fourth proportional to 370,131,089,197.03, 555,234,675,004.05 and 128,107,803,357.18 is: 192,174,871,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,131,089,197.03 : 555,234,675,004.05 = 128,107,803,357.18 : x
  2. Step 2: Convert to fraction form
    370,131,089,197.03/555,234,675,004.05 = 128,107,803,357.18/x
  3. Step 3: Cross multiply
    370,131,089,197.03x = 555,234,675,004.05 × 128,107,803,357.18
  4. Step 4: Simplify right side
    370,131,089,197.03x = 71,129,894,562,506,582,523,904
  5. Step 5: Solve for x
    x = 71,129,894,562,506,582,523,904/370,131,089,197.03
  6. Step 6: Final answer
    x = 192,174,871,656.46

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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.