Home / 290,678,795,583.20-436,018,193,374.80-284,148,448,575.20

Finding the Fourth Proportional to 290,678,795,583.20, 436,018,193,374.80 and 284,148,448,575.20

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Solution

The fourth proportional to 290,678,795,583.20, 436,018,193,374.80 and 284,148,448,575.20 is: 426,222,672,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,678,795,583.20 : 436,018,193,374.80 = 284,148,448,575.20 : x
  2. Step 2: Convert to fraction form
    290,678,795,583.20/436,018,193,374.80 = 284,148,448,575.20/x
  3. Step 3: Cross multiply
    290,678,795,583.20x = 436,018,193,374.80 × 284,148,448,575.20
  4. Step 4: Simplify right side
    290,678,795,583.20x = 123,893,893,198,010,975,780,864
  5. Step 5: Solve for x
    x = 123,893,893,198,010,975,780,864/290,678,795,583.20
  6. Step 6: Final answer
    x = 426,222,672,862.80

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1.5x scale

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.