Finding the Fourth Proportional to 966,169,631.70, 1,449,254,447.55 and 239,158,343.70
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Solution
The fourth proportional to 966,169,631.70, 1,449,254,447.55 and 239,158,343.70 is: 358,737,515.55
Step by Step Solution
- Step 1: Write the proportion equation
966,169,631.70 : 1,449,254,447.55 = 239,158,343.70 : x - Step 2: Convert to fraction form
966,169,631.70/1,449,254,447.55 = 239,158,343.70/x - Step 3: Cross multiply
966,169,631.70x = 1,449,254,447.55 × 239,158,343.70 - Step 4: Simplify right side
966,169,631.70x = 346,601,293,275,916,480 - Step 5: Solve for x
x = 346,601,293,275,916,480/966,169,631.70 - Step 6: Final answer
x = 358,737,515.55
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Double scale
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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.