Finding the Fourth Proportional to 212,461,347,184.80, 318,693,390,626.52 and 84,986,688,436.08
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Solution
The fourth proportional to 212,461,347,184.80, 318,693,390,626.52 and 84,986,688,436.08 is: 127,480,580,607.71
Step by Step Solution
- Step 1: Write the proportion equation
212,461,347,184.80 : 318,693,390,626.52 = 84,986,688,436.08 : x - Step 2: Convert to fraction form
212,461,347,184.80/318,693,390,626.52 = 84,986,688,436.08/x - Step 3: Cross multiply
212,461,347,184.80x = 318,693,390,626.52 × 84,986,688,436.08 - Step 4: Simplify right side
212,461,347,184.80x = 27,084,695,895,813,994,315,776 - Step 5: Solve for x
x = 27,084,695,895,813,994,315,776/212,461,347,184.80 - Step 6: Final answer
x = 127,480,580,607.71
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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.