Home / 245,065,538.88-338,190,496.92-133,556,406.12

Finding the Fourth Proportional to 245,065,538.88, 338,190,496.92 and 133,556,406.12

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Solution

The fourth proportional to 245,065,538.88, 338,190,496.92 and 133,556,406.12 is: 184,307,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,538.88 : 338,190,496.92 = 133,556,406.12 : x
  2. Step 2: Convert to fraction form
    245,065,538.88/338,190,496.92 = 133,556,406.12/x
  3. Step 3: Cross multiply
    245,065,538.88x = 338,190,496.92 × 133,556,406.12
  4. Step 4: Simplify right side
    245,065,538.88x = 45,167,507,352,572,136
  5. Step 5: Solve for x
    x = 45,167,507,352,572,136/245,065,538.88
  6. Step 6: Final answer
    x = 184,307,869.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.