Home / 3,550,917,953.32-5,328,481,141.50-1,978,341,519.40

Finding the Fourth Proportional to 3,550,917,953.32, 5,328,481,141.50 and 1,978,341,519.40

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Solution

The fourth proportional to 3,550,917,953.32, 5,328,481,141.50 and 1,978,341,519.40 is: 2,968,684,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550,917,953.32 : 5,328,481,141.50 = 1,978,341,519.40 : x
  2. Step 2: Convert to fraction form
    3,550,917,953.32/5,328,481,141.50 = 1,978,341,519.40/x
  3. Step 3: Cross multiply
    3,550,917,953.32x = 5,328,481,141.50 × 1,978,341,519.40
  4. Step 4: Simplify right side
    3,550,917,953.32x = 10,541,555,477,569,357,824
  5. Step 5: Solve for x
    x = 10,541,555,477,569,357,824/3,550,917,953.32
  6. Step 6: Final answer
    x = 2,968,684,609.49

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1.5x scale

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.