Home / 284,144,178-392,118,965.96-153,763,986

Finding the Fourth Proportional to 284,144,178, 392,118,965.96 and 153,763,986

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Solution

The fourth proportional to 284,144,178, 392,118,965.96 and 153,763,986 is: 212,194,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,144,178 : 392,118,965.96 = 153,763,986 : x
  2. Step 2: Convert to fraction form
    284,144,178/392,118,965.96 = 153,763,986/x
  3. Step 3: Cross multiply
    284,144,178x = 392,118,965.96 × 153,763,986
  4. Step 4: Simplify right side
    284,144,178x = 60,293,775,192,207,912
  5. Step 5: Solve for x
    x = 60,293,775,192,207,912/284,144,178
  6. Step 6: Final answer
    x = 212,194,300.85

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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.