Home / 428,055,632.24-590,719,795.80-232,485,344.24

Finding the Fourth Proportional to 428,055,632.24, 590,719,795.80 and 232,485,344.24

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Solution

The fourth proportional to 428,055,632.24, 590,719,795.80 and 232,485,344.24 is: 320,831,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,055,632.24 : 590,719,795.80 = 232,485,344.24 : x
  2. Step 2: Convert to fraction form
    428,055,632.24/590,719,795.80 = 232,485,344.24/x
  3. Step 3: Cross multiply
    428,055,632.24x = 590,719,795.80 × 232,485,344.24
  4. Step 4: Simplify right side
    428,055,632.24x = 137,333,695,075,945,504
  5. Step 5: Solve for x
    x = 137,333,695,075,945,504/428,055,632.24
  6. Step 6: Final answer
    x = 320,831,417.07

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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.