Home / 917,414,819,504.55-1,376,177,389,678.50-280,712,733,163.32

Finding the Fourth Proportional to 917,414,819,504.55, 1,376,177,389,678.50 and 280,712,733,163.32

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Solution

The fourth proportional to 917,414,819,504.55, 1,376,177,389,678.50 and 280,712,733,163.32 is: 421,085,977,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,414,819,504.55 : 1,376,177,389,678.50 = 280,712,733,163.32 : x
  2. Step 2: Convert to fraction form
    917,414,819,504.55/1,376,177,389,678.50 = 280,712,733,163.32/x
  3. Step 3: Cross multiply
    917,414,819,504.55x = 1,376,177,389,678.50 × 280,712,733,163.32
  4. Step 4: Simplify right side
    917,414,819,504.55x = 386,310,516,374,215,057,211,392
  5. Step 5: Solve for x
    x = 386,310,516,374,215,057,211,392/917,414,819,504.55
  6. Step 6: Final answer
    x = 421,085,977,859.88

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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.