Finding the Fourth Proportional to 218,934,596,369.32, 328,526,125,938.30 and 118,204,122,541.48
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Solution
The fourth proportional to 218,934,596,369.32, 328,526,125,938.30 and 118,204,122,541.48 is: 177,373,257,093.55
Step by Step Solution
- Step 1: Write the proportion equation
218,934,596,369.32 : 328,526,125,938.30 = 118,204,122,541.48 : x - Step 2: Convert to fraction form
218,934,596,369.32/328,526,125,938.30 = 118,204,122,541.48/x - Step 3: Cross multiply
218,934,596,369.32x = 328,526,125,938.30 × 118,204,122,541.48 - Step 4: Simplify right side
218,934,596,369.32x = 38,833,142,448,488,500,428,800 - Step 5: Solve for x
x = 38,833,142,448,488,500,428,800/218,934,596,369.32 - Step 6: Final answer
x = 177,373,257,093.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.