Home / 3,619,343,147.80-5,429,014,721.70-1,292,907,026.20

Finding the Fourth Proportional to 3,619,343,147.80, 5,429,014,721.70 and 1,292,907,026.20

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Solution

The fourth proportional to 3,619,343,147.80, 5,429,014,721.70 and 1,292,907,026.20 is: 1,939,360,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,343,147.80 : 5,429,014,721.70 = 1,292,907,026.20 : x
  2. Step 2: Convert to fraction form
    3,619,343,147.80/5,429,014,721.70 = 1,292,907,026.20/x
  3. Step 3: Cross multiply
    3,619,343,147.80x = 5,429,014,721.70 × 1,292,907,026.20
  4. Step 4: Simplify right side
    3,619,343,147.80x = 7,019,211,279,029,168,128
  5. Step 5: Solve for x
    x = 7,019,211,279,029,168,128/3,619,343,147.80
  6. Step 6: Final answer
    x = 1,939,360,539.30

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Double scale
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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.