Finding the Fourth Proportional to 442,902,541.60, 664,351,395.76 and 180,586,063.36
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Solution
The fourth proportional to 442,902,541.60, 664,351,395.76 and 180,586,063.36 is: 270,878,109.70
Step by Step Solution
- Step 1: Write the proportion equation
442,902,541.60 : 664,351,395.76 = 180,586,063.36 : x - Step 2: Convert to fraction form
442,902,541.60/664,351,395.76 = 180,586,063.36/x - Step 3: Cross multiply
442,902,541.60x = 664,351,395.76 × 180,586,063.36 - Step 4: Simplify right side
442,902,541.60x = 119,972,603,248,019,808 - Step 5: Solve for x
x = 119,972,603,248,019,808/442,902,541.60 - Step 6: Final answer
x = 270,878,109.70
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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.