Home / 28,045,262,969.54-42,070,480,556.33-9,158,649,620.82

Finding the Fourth Proportional to 28,045,262,969.54, 42,070,480,556.33 and 9,158,649,620.82

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Solution

The fourth proportional to 28,045,262,969.54, 42,070,480,556.33 and 9,158,649,620.82 is: 13,738,818,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,262,969.54 : 42,070,480,556.33 = 9,158,649,620.82 : x
  2. Step 2: Convert to fraction form
    28,045,262,969.54/42,070,480,556.33 = 9,158,649,620.82/x
  3. Step 3: Cross multiply
    28,045,262,969.54x = 42,070,480,556.33 × 9,158,649,620.82
  4. Step 4: Simplify right side
    28,045,262,969.54x = 385,308,790,794,901,127,168
  5. Step 5: Solve for x
    x = 385,308,790,794,901,127,168/28,045,262,969.54
  6. Step 6: Final answer
    x = 13,738,818,966.09

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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.