Finding the Fourth Proportional to 823,684,497.07, 1,136,754,709.54 and 466,515,811.32
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Solution
The fourth proportional to 823,684,497.07, 1,136,754,709.54 and 466,515,811.32 is: 643,831,524.67
Step by Step Solution
- Step 1: Write the proportion equation
823,684,497.07 : 1,136,754,709.54 = 466,515,811.32 : x - Step 2: Convert to fraction form
823,684,497.07/1,136,754,709.54 = 466,515,811.32/x - Step 3: Cross multiply
823,684,497.07x = 1,136,754,709.54 × 466,515,811.32 - Step 4: Simplify right side
823,684,497.07x = 530,314,045,596,467,392 - Step 5: Solve for x
x = 530,314,045,596,467,392/823,684,497.07 - Step 6: Final answer
x = 643,831,524.67
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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.