Finding the Fourth Proportional to 520,377,492.84, 718,281,742.84 and 334,738,508.53
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Solution
The fourth proportional to 520,377,492.84, 718,281,742.84 and 334,738,508.53 is: 462,042,579.87
Step by Step Solution
- Step 1: Write the proportion equation
520,377,492.84 : 718,281,742.84 = 334,738,508.53 : x - Step 2: Convert to fraction form
520,377,492.84/718,281,742.84 = 334,738,508.53/x - Step 3: Cross multiply
520,377,492.84x = 718,281,742.84 × 334,738,508.53 - Step 4: Simplify right side
520,377,492.84x = 240,436,559,299,958,016 - Step 5: Solve for x
x = 240,436,559,299,958,016/520,377,492.84 - Step 6: Final answer
x = 462,042,579.87
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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.