Home / 28,255,112,296.26-42,388,874,300.39-8,356,448,365.39

Finding the Fourth Proportional to 28,255,112,296.26, 42,388,874,300.39 and 8,356,448,365.39

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Solution

The fourth proportional to 28,255,112,296.26, 42,388,874,300.39 and 8,356,448,365.39 is: 12,536,507,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,112,296.26 : 42,388,874,300.39 = 8,356,448,365.39 : x
  2. Step 2: Convert to fraction form
    28,255,112,296.26/42,388,874,300.39 = 8,356,448,365.39/x
  3. Step 3: Cross multiply
    28,255,112,296.26x = 42,388,874,300.39 × 8,356,448,365.39
  4. Step 4: Simplify right side
    28,255,112,296.26x = 354,220,439,358,216,208,384
  5. Step 5: Solve for x
    x = 354,220,439,358,216,208,384/28,255,112,296.26
  6. Step 6: Final answer
    x = 12,536,507,929.76

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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.