Home / 863,587,830.03-1,295,385,509.43-273,380,957.70

Finding the Fourth Proportional to 863,587,830.03, 1,295,385,509.43 and 273,380,957.70

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Solution

The fourth proportional to 863,587,830.03, 1,295,385,509.43 and 273,380,957.70 is: 410,072,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,587,830.03 : 1,295,385,509.43 = 273,380,957.70 : x
  2. Step 2: Convert to fraction form
    863,587,830.03/1,295,385,509.43 = 273,380,957.70/x
  3. Step 3: Cross multiply
    863,587,830.03x = 1,295,385,509.43 × 273,380,957.70
  4. Step 4: Simplify right side
    863,587,830.03x = 354,133,731,158,675,776
  5. Step 5: Solve for x
    x = 354,133,731,158,675,776/863,587,830.03
  6. Step 6: Final answer
    x = 410,072,628.22

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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.