Home / 737,186,840.81-1,017,311,793.41-402,659,576.45

Finding the Fourth Proportional to 737,186,840.81, 1,017,311,793.41 and 402,659,576.45

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Solution

The fourth proportional to 737,186,840.81, 1,017,311,793.41 and 402,659,576.45 is: 555,666,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,186,840.81 : 1,017,311,793.41 = 402,659,576.45 : x
  2. Step 2: Convert to fraction form
    737,186,840.81/1,017,311,793.41 = 402,659,576.45/x
  3. Step 3: Cross multiply
    737,186,840.81x = 1,017,311,793.41 × 402,659,576.45
  4. Step 4: Simplify right side
    737,186,840.81x = 409,630,335,847,980,608
  5. Step 5: Solve for x
    x = 409,630,335,847,980,608/737,186,840.81
  6. Step 6: Final answer
    x = 555,666,912.61

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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.