Finding the Fourth Proportional to 4,046,112,126.80, 6,069,336,151.80 and 1,285,663,230.80
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Solution
The fourth proportional to 4,046,112,126.80, 6,069,336,151.80 and 1,285,663,230.80 is: 1,928,548,216.46
Step by Step Solution
- Step 1: Write the proportion equation
4,046,112,126.80 : 6,069,336,151.80 = 1,285,663,230.80 : x - Step 2: Convert to fraction form
4,046,112,126.80/6,069,336,151.80 = 1,285,663,230.80/x - Step 3: Cross multiply
4,046,112,126.80x = 6,069,336,151.80 × 1,285,663,230.80 - Step 4: Simplify right side
4,046,112,126.80x = 7,803,122,325,734,427,648 - Step 5: Solve for x
x = 7,803,122,325,734,427,648/4,046,112,126.80 - Step 6: Final answer
x = 1,928,548,216.46
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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.