Finding the Fourth Proportional to 316,754,812.44, 474,519,358.36 and 178,159,317.12
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Solution
The fourth proportional to 316,754,812.44, 474,519,358.36 and 178,159,317.12 is: 266,894,271.30
Step by Step Solution
- Step 1: Write the proportion equation
316,754,812.44 : 474,519,358.36 = 178,159,317.12 : x - Step 2: Convert to fraction form
316,754,812.44/474,519,358.36 = 178,159,317.12/x - Step 3: Cross multiply
316,754,812.44x = 474,519,358.36 × 178,159,317.12 - Step 4: Simplify right side
316,754,812.44x = 84,540,044,845,638,160 - Step 5: Solve for x
x = 84,540,044,845,638,160/316,754,812.44 - Step 6: Final answer
x = 266,894,271.30
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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.