Finding the Fourth Proportional to 847,068,284.34, 1,168,982,586.99 and 470,740,735.62
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Solution
The fourth proportional to 847,068,284.34, 1,168,982,586.99 and 470,740,735.62 is: 649,637,972.64
Step by Step Solution
- Step 1: Write the proportion equation
847,068,284.34 : 1,168,982,586.99 = 470,740,735.62 : x - Step 2: Convert to fraction form
847,068,284.34/1,168,982,586.99 = 470,740,735.62/x - Step 3: Cross multiply
847,068,284.34x = 1,168,982,586.99 × 470,740,735.62 - Step 4: Simplify right side
847,068,284.34x = 550,287,722,926,643,264 - Step 5: Solve for x
x = 550,287,722,926,643,264/847,068,284.34 - Step 6: Final answer
x = 649,637,972.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.