Home / 347,753,048.40-521,629,572.60-186,509,912.40

Finding the Fourth Proportional to 347,753,048.40, 521,629,572.60 and 186,509,912.40

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Solution

The fourth proportional to 347,753,048.40, 521,629,572.60 and 186,509,912.40 is: 279,764,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,753,048.40 : 521,629,572.60 = 186,509,912.40 : x
  2. Step 2: Convert to fraction form
    347,753,048.40/521,629,572.60 = 186,509,912.40/x
  3. Step 3: Cross multiply
    347,753,048.40x = 521,629,572.60 × 186,509,912.40
  4. Step 4: Simplify right side
    347,753,048.40x = 97,289,085,890,875,440
  5. Step 5: Solve for x
    x = 97,289,085,890,875,440/347,753,048.40
  6. Step 6: Final answer
    x = 279,764,868.60

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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.