Home / 641,089,248.42-961,388,741.37-349,800,679.05

Finding the Fourth Proportional to 641,089,248.42, 961,388,741.37 and 349,800,679.05

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Solution

The fourth proportional to 641,089,248.42, 961,388,741.37 and 349,800,679.05 is: 524,567,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,089,248.42 : 961,388,741.37 = 349,800,679.05 : x
  2. Step 2: Convert to fraction form
    641,089,248.42/961,388,741.37 = 349,800,679.05/x
  3. Step 3: Cross multiply
    641,089,248.42x = 961,388,741.37 × 349,800,679.05
  4. Step 4: Simplify right side
    641,089,248.42x = 336,294,434,562,250,816
  5. Step 5: Solve for x
    x = 336,294,434,562,250,816/641,089,248.42
  6. Step 6: Final answer
    x = 524,567,266.40

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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.