Home / 349,920,505.60-524,880,758.40-213,871,609.60

Finding the Fourth Proportional to 349,920,505.60, 524,880,758.40 and 213,871,609.60

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Solution

The fourth proportional to 349,920,505.60, 524,880,758.40 and 213,871,609.60 is: 320,807,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,920,505.60 : 524,880,758.40 = 213,871,609.60 : x
  2. Step 2: Convert to fraction form
    349,920,505.60/524,880,758.40 = 213,871,609.60/x
  3. Step 3: Cross multiply
    349,920,505.60x = 524,880,758.40 × 213,871,609.60
  4. Step 4: Simplify right side
    349,920,505.60x = 112,257,092,647,076,720
  5. Step 5: Solve for x
    x = 112,257,092,647,076,720/349,920,505.60
  6. Step 6: Final answer
    x = 320,807,414.40

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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.