Finding the Fourth Proportional to 423,616,564.16, 635,060,874.72 and 147,231,873.08
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Solution
The fourth proportional to 423,616,564.16, 635,060,874.72 and 147,231,873.08 is: 220,721,307.94
Step by Step Solution
- Step 1: Write the proportion equation
423,616,564.16 : 635,060,874.72 = 147,231,873.08 : x - Step 2: Convert to fraction form
423,616,564.16/635,060,874.72 = 147,231,873.08/x - Step 3: Cross multiply
423,616,564.16x = 635,060,874.72 × 147,231,873.08 - Step 4: Simplify right side
423,616,564.16x = 93,501,202,104,848,832 - Step 5: Solve for x
x = 93,501,202,104,848,832/423,616,564.16 - Step 6: Final answer
x = 220,721,307.94
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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.