Finding the Fourth Proportional to 2,918,175,832.36, 4,377,717,244.86 and 979,932,560.68
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Solution
The fourth proportional to 2,918,175,832.36, 4,377,717,244.86 and 979,932,560.68 is: 1,470,051,126.50
Step by Step Solution
- Step 1: Write the proportion equation
2,918,175,832.36 : 4,377,717,244.86 = 979,932,560.68 : x - Step 2: Convert to fraction form
2,918,175,832.36/4,377,717,244.86 = 979,932,560.68/x - Step 3: Cross multiply
2,918,175,832.36x = 4,377,717,244.86 × 979,932,560.68 - Step 4: Simplify right side
2,918,175,832.36x = 4,289,867,669,688,653,824 - Step 5: Solve for x
x = 4,289,867,669,688,653,824/2,918,175,832.36 - Step 6: Final answer
x = 1,470,051,126.50
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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.