Finding the Fourth Proportional to 969,037,602.48, 1,337,277,323.16 and 551,349,879.12
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Solution
The fourth proportional to 969,037,602.48, 1,337,277,323.16 and 551,349,879.12 is: 760,865,923.66
Step by Step Solution
- Step 1: Write the proportion equation
969,037,602.48 : 1,337,277,323.16 = 551,349,879.12 : x - Step 2: Convert to fraction form
969,037,602.48/1,337,277,323.16 = 551,349,879.12/x - Step 3: Cross multiply
969,037,602.48x = 1,337,277,323.16 × 551,349,879.12 - Step 4: Simplify right side
969,037,602.48x = 737,307,690,474,183,168 - Step 5: Solve for x
x = 737,307,690,474,183,168/969,037,602.48 - Step 6: Final answer
x = 760,865,923.66
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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.