Home / 400,786,615.68-600,316,142.40-270,678,776.64

Finding the Fourth Proportional to 400,786,615.68, 600,316,142.40 and 270,678,776.64

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Solution

The fourth proportional to 400,786,615.68, 600,316,142.40 and 270,678,776.64 is: 405,434,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,786,615.68 : 600,316,142.40 = 270,678,776.64 : x
  2. Step 2: Convert to fraction form
    400,786,615.68/600,316,142.40 = 270,678,776.64/x
  3. Step 3: Cross multiply
    400,786,615.68x = 600,316,142.40 × 270,678,776.64
  4. Step 4: Simplify right side
    400,786,615.68x = 162,492,839,022,076,032
  5. Step 5: Solve for x
    x = 162,492,839,022,076,032/400,786,615.68
  6. Step 6: Final answer
    x = 405,434,794.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.