Home / 1,227,600,274.95-1,694,089,059.09-663,085,153.98

Finding the Fourth Proportional to 1,227,600,274.95, 1,694,089,059.09 and 663,085,153.98

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Solution

The fourth proportional to 1,227,600,274.95, 1,694,089,059.09 and 663,085,153.98 is: 915,057,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,274.95 : 1,694,089,059.09 = 663,085,153.98 : x
  2. Step 2: Convert to fraction form
    1,227,600,274.95/1,694,089,059.09 = 663,085,153.98/x
  3. Step 3: Cross multiply
    1,227,600,274.95x = 1,694,089,059.09 × 663,085,153.98
  4. Step 4: Simplify right side
    1,227,600,274.95x = 1,123,325,304,602,525,952
  5. Step 5: Solve for x
    x = 1,123,325,304,602,525,952/1,227,600,274.95
  6. Step 6: Final answer
    x = 915,057,879.61

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1.5x scale

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.