Finding the Fourth Proportional to 847,068,284.84, 1,168,982,587.68 and 470,740,736.12
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Solution
The fourth proportional to 847,068,284.84, 1,168,982,587.68 and 470,740,736.12 is: 649,637,973.33
Step by Step Solution
- Step 1: Write the proportion equation
847,068,284.84 : 1,168,982,587.68 = 470,740,736.12 : x - Step 2: Convert to fraction form
847,068,284.84/1,168,982,587.68 = 470,740,736.12/x - Step 3: Cross multiply
847,068,284.84x = 1,168,982,587.68 × 470,740,736.12 - Step 4: Simplify right side
847,068,284.84x = 550,287,723,835,945,664 - Step 5: Solve for x
x = 550,287,723,835,945,664/847,068,284.84 - Step 6: Final answer
x = 649,637,973.33
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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.