Finding the Fourth Proportional to 489,125,419.30, 674,998,430.88 and 266,108,368.78
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Solution
The fourth proportional to 489,125,419.30, 674,998,430.88 and 266,108,368.78 is: 367,232,460.80
Step by Step Solution
- Step 1: Write the proportion equation
489,125,419.30 : 674,998,430.88 = 266,108,368.78 : x - Step 2: Convert to fraction form
489,125,419.30/674,998,430.88 = 266,108,368.78/x - Step 3: Cross multiply
489,125,419.30x = 674,998,430.88 × 266,108,368.78 - Step 4: Simplify right side
489,125,419.30x = 179,622,731,369,846,784 - Step 5: Solve for x
x = 179,622,731,369,846,784/489,125,419.30 - Step 6: Final answer
x = 367,232,460.80
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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.