Home / 780,876,693.71-1,077,611,883.62-423,644,451.82

Finding the Fourth Proportional to 780,876,693.71, 1,077,611,883.62 and 423,644,451.82

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Solution

The fourth proportional to 780,876,693.71, 1,077,611,883.62 and 423,644,451.82 is: 584,630,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,876,693.71 : 1,077,611,883.62 = 423,644,451.82 : x
  2. Step 2: Convert to fraction form
    780,876,693.71/1,077,611,883.62 = 423,644,451.82/x
  3. Step 3: Cross multiply
    780,876,693.71x = 1,077,611,883.62 × 423,644,451.82
  4. Step 4: Simplify right side
    780,876,693.71x = 456,524,295,706,100,288
  5. Step 5: Solve for x
    x = 456,524,295,706,100,288/780,876,693.71
  6. Step 6: Final answer
    x = 584,630,453.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.