Finding the Fourth Proportional to 312,891,698.68, 469,380,572.21 and 116,138,394
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Solution
The fourth proportional to 312,891,698.68, 469,380,572.21 and 116,138,394 is: 174,223,560.62
Step by Step Solution
- Step 1: Write the proportion equation
312,891,698.68 : 469,380,572.21 = 116,138,394 : x - Step 2: Convert to fraction form
312,891,698.68/469,380,572.21 = 116,138,394/x - Step 3: Cross multiply
312,891,698.68x = 469,380,572.21 × 116,138,394 - Step 4: Simplify right side
312,891,698.68x = 54,513,105,831,560,776 - Step 5: Solve for x
x = 54,513,105,831,560,776/312,891,698.68 - Step 6: Final answer
x = 174,223,560.62
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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.