Finding the Fourth Proportional to 219,215,341,077.21, 328,824,464,454.49 and 84,924,745,546.41
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Solution
The fourth proportional to 219,215,341,077.21, 328,824,464,454.49 and 84,924,745,546.41 is: 127,387,681,154.11
Step by Step Solution
- Step 1: Write the proportion equation
219,215,341,077.21 : 328,824,464,454.49 = 84,924,745,546.41 : x - Step 2: Convert to fraction form
219,215,341,077.21/328,824,464,454.49 = 84,924,745,546.41/x - Step 3: Cross multiply
219,215,341,077.21x = 328,824,464,454.49 × 84,924,745,546.41 - Step 4: Simplify right side
219,215,341,077.21x = 27,925,333,973,232,103,981,056 - Step 5: Solve for x
x = 27,925,333,973,232,103,981,056/219,215,341,077.21 - Step 6: Final answer
x = 127,387,681,154.11
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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.