Home / 479,742,002.04-661,983,129.18-281,431,140.60

Finding the Fourth Proportional to 479,742,002.04, 661,983,129.18 and 281,431,140.60

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Solution

The fourth proportional to 479,742,002.04, 661,983,129.18 and 281,431,140.60 is: 388,339,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,742,002.04 : 661,983,129.18 = 281,431,140.60 : x
  2. Step 2: Convert to fraction form
    479,742,002.04/661,983,129.18 = 281,431,140.60/x
  3. Step 3: Cross multiply
    479,742,002.04x = 661,983,129.18 × 281,431,140.60
  4. Step 4: Simplify right side
    479,742,002.04x = 186,302,667,103,084,544
  5. Step 5: Solve for x
    x = 186,302,667,103,084,544/479,742,002.04
  6. Step 6: Final answer
    x = 388,339,287.18

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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.