Finding the Fourth Proportional to 421,260,823.08, 631,918,960.92 and 110,376,051.48
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Solution
The fourth proportional to 421,260,823.08, 631,918,960.92 and 110,376,051.48 is: 165,571,341.89
Step by Step Solution
- Step 1: Write the proportion equation
421,260,823.08 : 631,918,960.92 = 110,376,051.48 : x - Step 2: Convert to fraction form
421,260,823.08/631,918,960.92 = 110,376,051.48/x - Step 3: Cross multiply
421,260,823.08x = 631,918,960.92 × 110,376,051.48 - Step 4: Simplify right side
421,260,823.08x = 69,748,719,761,694,024 - Step 5: Solve for x
x = 69,748,719,761,694,024/421,260,823.08 - Step 6: Final answer
x = 165,571,341.89
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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.