Finding the Fourth Proportional to 961,064,082.44, 1,326,319,928.96 and 537,652,485.21
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Solution
The fourth proportional to 961,064,082.44, 1,326,319,928.96 and 537,652,485.21 is: 741,989,237.78
Step by Step Solution
- Step 1: Write the proportion equation
961,064,082.44 : 1,326,319,928.96 = 537,652,485.21 : x - Step 2: Convert to fraction form
961,064,082.44/1,326,319,928.96 = 537,652,485.21/x - Step 3: Cross multiply
961,064,082.44x = 1,326,319,928.96 × 537,652,485.21 - Step 4: Simplify right side
961,064,082.44x = 713,099,205,986,206,336 - Step 5: Solve for x
x = 713,099,205,986,206,336/961,064,082.44 - Step 6: Final answer
x = 741,989,237.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.