Home / 409,698,912.30-614,548,368.45-362,347,519.20

Finding the Fourth Proportional to 409,698,912.30, 614,548,368.45 and 362,347,519.20

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Solution

The fourth proportional to 409,698,912.30, 614,548,368.45 and 362,347,519.20 is: 543,521,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,698,912.30 : 614,548,368.45 = 362,347,519.20 : x
  2. Step 2: Convert to fraction form
    409,698,912.30/614,548,368.45 = 362,347,519.20/x
  3. Step 3: Cross multiply
    409,698,912.30x = 614,548,368.45 × 362,347,519.20
  4. Step 4: Simplify right side
    409,698,912.30x = 222,680,076,736,265,056
  5. Step 5: Solve for x
    x = 222,680,076,736,265,056/409,698,912.30
  6. Step 6: Final answer
    x = 543,521,278.80

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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.