Finding the Fourth Proportional to 961,468,067.80, 1,442,202,101.70 and 951,264,400.60
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Solution
The fourth proportional to 961,468,067.80, 1,442,202,101.70 and 951,264,400.60 is: 1,426,896,600.90
Step by Step Solution
- Step 1: Write the proportion equation
961,468,067.80 : 1,442,202,101.70 = 951,264,400.60 : x - Step 2: Convert to fraction form
961,468,067.80/1,442,202,101.70 = 951,264,400.60/x - Step 3: Cross multiply
961,468,067.80x = 1,442,202,101.70 × 951,264,400.60 - Step 4: Simplify right side
961,468,067.80x = 1,371,915,517,817,710,848 - Step 5: Solve for x
x = 1,371,915,517,817,710,848/961,468,067.80 - Step 6: Final answer
x = 1,426,896,600.90
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Similar ratio
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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.