Home / 406,025,345.62-560,300,479.55-229,809,557.60

Finding the Fourth Proportional to 406,025,345.62, 560,300,479.55 and 229,809,557.60

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Solution

The fourth proportional to 406,025,345.62, 560,300,479.55 and 229,809,557.60 is: 317,128,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,025,345.62 : 560,300,479.55 = 229,809,557.60 : x
  2. Step 2: Convert to fraction form
    406,025,345.62/560,300,479.55 = 229,809,557.60/x
  3. Step 3: Cross multiply
    406,025,345.62x = 560,300,479.55 × 229,809,557.60
  4. Step 4: Simplify right side
    406,025,345.62x = 128,762,405,327,304,288
  5. Step 5: Solve for x
    x = 128,762,405,327,304,288/406,025,345.62
  6. Step 6: Final answer
    x = 317,128,983.98

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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.