Finding the Fourth Proportional to 607,660,308.87, 911,490,474.24 and 147,595,378.11
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Solution
The fourth proportional to 607,660,308.87, 911,490,474.24 and 147,595,378.11 is: 221,393,069.82
Step by Step Solution
- Step 1: Write the proportion equation
607,660,308.87 : 911,490,474.24 = 147,595,378.11 : x - Step 2: Convert to fraction form
607,660,308.87/911,490,474.24 = 147,595,378.11/x - Step 3: Cross multiply
607,660,308.87x = 911,490,474.24 × 147,595,378.11 - Step 4: Simplify right side
607,660,308.87x = 134,531,781,189,116,032 - Step 5: Solve for x
x = 134,531,781,189,116,032/607,660,308.87 - Step 6: Final answer
x = 221,393,069.82
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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.