Home / 479,742,003.04-661,983,130.56-281,431,141.60

Finding the Fourth Proportional to 479,742,003.04, 661,983,130.56 and 281,431,141.60

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Solution

The fourth proportional to 479,742,003.04, 661,983,130.56 and 281,431,141.60 is: 388,339,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,742,003.04 : 661,983,130.56 = 281,431,141.60 : x
  2. Step 2: Convert to fraction form
    479,742,003.04/661,983,130.56 = 281,431,141.60/x
  3. Step 3: Cross multiply
    479,742,003.04x = 661,983,130.56 × 281,431,141.60
  4. Step 4: Simplify right side
    479,742,003.04x = 186,302,668,153,442,656
  5. Step 5: Solve for x
    x = 186,302,668,153,442,656/479,742,003.04
  6. Step 6: Final answer
    x = 388,339,288.56

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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.