Home / 1,438,487,479.56-1,984,626,777.78-936,467,675.40

Finding the Fourth Proportional to 1,438,487,479.56, 1,984,626,777.78 and 936,467,675.40

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Solution

The fourth proportional to 1,438,487,479.56, 1,984,626,777.78 and 936,467,675.40 is: 1,292,009,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,487,479.56 : 1,984,626,777.78 = 936,467,675.40 : x
  2. Step 2: Convert to fraction form
    1,438,487,479.56/1,984,626,777.78 = 936,467,675.40/x
  3. Step 3: Cross multiply
    1,438,487,479.56x = 1,984,626,777.78 × 936,467,675.40
  4. Step 4: Simplify right side
    1,438,487,479.56x = 1,858,538,825,124,228,864
  5. Step 5: Solve for x
    x = 1,858,538,825,124,228,864/1,438,487,479.56
  6. Step 6: Final answer
    x = 1,292,009,038.34

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1.5x scale

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.