Home / 315,577,688.20-473,366,532.30-206,738,571.40

Finding the Fourth Proportional to 315,577,688.20, 473,366,532.30 and 206,738,571.40

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Solution

The fourth proportional to 315,577,688.20, 473,366,532.30 and 206,738,571.40 is: 310,107,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,577,688.20 : 473,366,532.30 = 206,738,571.40 : x
  2. Step 2: Convert to fraction form
    315,577,688.20/473,366,532.30 = 206,738,571.40/x
  3. Step 3: Cross multiply
    315,577,688.20x = 473,366,532.30 × 206,738,571.40
  4. Step 4: Simplify right side
    315,577,688.20x = 97,863,120,636,273,968
  5. Step 5: Solve for x
    x = 97,863,120,636,273,968/315,577,688.20
  6. Step 6: Final answer
    x = 310,107,857.10

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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.