Home / 218,233,561.36-301,556,259.08-155,400,574.27

Finding the Fourth Proportional to 218,233,561.36, 301,556,259.08 and 155,400,574.27

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Solution

The fourth proportional to 218,233,561.36, 301,556,259.08 and 155,400,574.27 is: 214,733,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,233,561.36 : 301,556,259.08 = 155,400,574.27 : x
  2. Step 2: Convert to fraction form
    218,233,561.36/301,556,259.08 = 155,400,574.27/x
  3. Step 3: Cross multiply
    218,233,561.36x = 301,556,259.08 × 155,400,574.27
  4. Step 4: Simplify right side
    218,233,561.36x = 46,862,015,835,744,904
  5. Step 5: Solve for x
    x = 46,862,015,835,744,904/218,233,561.36
  6. Step 6: Final answer
    x = 214,733,313.90

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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.