Home / 28,984,708,959.30-43,477,063,438.95-28,494,932,933.70

Finding the Fourth Proportional to 28,984,708,959.30, 43,477,063,438.95 and 28,494,932,933.70

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Solution

The fourth proportional to 28,984,708,959.30, 43,477,063,438.95 and 28,494,932,933.70 is: 42,742,399,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984,708,959.30 : 43,477,063,438.95 = 28,494,932,933.70 : x
  2. Step 2: Convert to fraction form
    28,984,708,959.30/43,477,063,438.95 = 28,494,932,933.70/x
  3. Step 3: Cross multiply
    28,984,708,959.30x = 43,477,063,438.95 × 28,494,932,933.70
  4. Step 4: Simplify right side
    28,984,708,959.30x = 1,238,876,006,847,100,485,632
  5. Step 5: Solve for x
    x = 1,238,876,006,847,100,485,632/28,984,708,959.30
  6. Step 6: Final answer
    x = 42,742,399,400.55

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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.