Finding the Fourth Proportional to 3,545,670,998.40, 5,318,506,497.60 and 3,259,968,316.80
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Solution
The fourth proportional to 3,545,670,998.40, 5,318,506,497.60 and 3,259,968,316.80 is: 4,889,952,475.20
Step by Step Solution
- Step 1: Write the proportion equation
3,545,670,998.40 : 5,318,506,497.60 = 3,259,968,316.80 : x - Step 2: Convert to fraction form
3,545,670,998.40/5,318,506,497.60 = 3,259,968,316.80/x - Step 3: Cross multiply
3,545,670,998.40x = 5,318,506,497.60 × 3,259,968,316.80 - Step 4: Simplify right side
3,545,670,998.40x = 17,338,162,674,870,937,600 - Step 5: Solve for x
x = 17,338,162,674,870,937,600/3,545,670,998.40 - Step 6: Final answer
x = 4,889,952,475.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.