Finding the Fourth Proportional to 608,644,670,373.36, 912,816,138,317.40 and 205,719,182,936.28
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Solution
The fourth proportional to 608,644,670,373.36, 912,816,138,317.40 and 205,719,182,936.28 is: 308,527,781,949.55
Step by Step Solution
- Step 1: Write the proportion equation
608,644,670,373.36 : 912,816,138,317.40 = 205,719,182,936.28 : x - Step 2: Convert to fraction form
608,644,670,373.36/912,816,138,317.40 = 205,719,182,936.28/x - Step 3: Cross multiply
608,644,670,373.36x = 912,816,138,317.40 × 205,719,182,936.28 - Step 4: Simplify right side
608,644,670,373.36x = 187,783,790,145,705,888,186,368 - Step 5: Solve for x
x = 187,783,790,145,705,888,186,368/608,644,670,373.36 - Step 6: Final answer
x = 308,527,781,949.55
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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.