Finding the Fourth Proportional to 318,482,866,459.84, 439,506,338,903.87 and 171,995,313,773.17
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Solution
The fourth proportional to 318,482,866,459.84, 439,506,338,903.87 and 171,995,313,773.17 is: 237,353,523,928.42
Step by Step Solution
- Step 1: Write the proportion equation
318,482,866,459.84 : 439,506,338,903.87 = 171,995,313,773.17 : x - Step 2: Convert to fraction form
318,482,866,459.84/439,506,338,903.87 = 171,995,313,773.17/x - Step 3: Cross multiply
318,482,866,459.84x = 439,506,338,903.87 × 171,995,313,773.17 - Step 4: Simplify right side
318,482,866,459.84x = 75,593,030,665,068,324,323,328 - Step 5: Solve for x
x = 75,593,030,665,068,324,323,328/318,482,866,459.84 - Step 6: Final answer
x = 237,353,523,928.42
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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.