Home / 644,106,717,724.40-966,160,076,586.60-220,113,734,562.80

Finding the Fourth Proportional to 644,106,717,724.40, 966,160,076,586.60 and 220,113,734,562.80

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Solution

The fourth proportional to 644,106,717,724.40, 966,160,076,586.60 and 220,113,734,562.80 is: 330,170,601,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,106,717,724.40 : 966,160,076,586.60 = 220,113,734,562.80 : x
  2. Step 2: Convert to fraction form
    644,106,717,724.40/966,160,076,586.60 = 220,113,734,562.80/x
  3. Step 3: Cross multiply
    644,106,717,724.40x = 966,160,076,586.60 × 220,113,734,562.80
  4. Step 4: Simplify right side
    644,106,717,724.40x = 212,665,102,642,957,369,999,360
  5. Step 5: Solve for x
    x = 212,665,102,642,957,369,999,360/644,106,717,724.40
  6. Step 6: Final answer
    x = 330,170,601,844.20

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Double scale
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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.