Finding the Fourth Proportional to 1,417,187,715.40, 2,125,781,573.10 and 640,858,702.60
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Solution
The fourth proportional to 1,417,187,715.40, 2,125,781,573.10 and 640,858,702.60 is: 961,288,053.90
Step by Step Solution
- Step 1: Write the proportion equation
1,417,187,715.40 : 2,125,781,573.10 = 640,858,702.60 : x - Step 2: Convert to fraction form
1,417,187,715.40/2,125,781,573.10 = 640,858,702.60/x - Step 3: Cross multiply
1,417,187,715.40x = 2,125,781,573.10 × 640,858,702.60 - Step 4: Simplify right side
1,417,187,715.40x = 1,362,325,620,947,853,056 - Step 5: Solve for x
x = 1,362,325,620,947,853,056/1,417,187,715.40 - Step 6: Final answer
x = 961,288,053.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.