Home / 284,955,786.40-427,433,679.60-194,256,522.40

Finding the Fourth Proportional to 284,955,786.40, 427,433,679.60 and 194,256,522.40

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Solution

The fourth proportional to 284,955,786.40, 427,433,679.60 and 194,256,522.40 is: 291,384,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,955,786.40 : 427,433,679.60 = 194,256,522.40 : x
  2. Step 2: Convert to fraction form
    284,955,786.40/427,433,679.60 = 194,256,522.40/x
  3. Step 3: Cross multiply
    284,955,786.40x = 427,433,679.60 × 194,256,522.40
  4. Step 4: Simplify right side
    284,955,786.40x = 83,031,780,155,731,824
  5. Step 5: Solve for x
    x = 83,031,780,155,731,824/284,955,786.40
  6. Step 6: Final answer
    x = 291,384,783.60

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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.