Finding the Fourth Proportional to 552,976,432, 763,130,644.80 and 318,027,251.84
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Solution
The fourth proportional to 552,976,432, 763,130,644.80 and 318,027,251.84 is: 438,890,932.26
Step by Step Solution
- Step 1: Write the proportion equation
552,976,432 : 763,130,644.80 = 318,027,251.84 : x - Step 2: Convert to fraction form
552,976,432/763,130,644.80 = 318,027,251.84/x - Step 3: Cross multiply
552,976,432x = 763,130,644.80 × 318,027,251.84 - Step 4: Simplify right side
552,976,432x = 242,696,341,760,631,136 - Step 5: Solve for x
x = 242,696,341,760,631,136/552,976,432 - Step 6: Final answer
x = 438,890,932.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.