Finding the Fourth Proportional to 1,997,243,635.08, 2,756,403,676.98 and 1,150,500,220.68
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Solution
The fourth proportional to 1,997,243,635.08, 2,756,403,676.98 and 1,150,500,220.68 is: 1,587,809,810.96
Step by Step Solution
- Step 1: Write the proportion equation
1,997,243,635.08 : 2,756,403,676.98 = 1,150,500,220.68 : x - Step 2: Convert to fraction form
1,997,243,635.08/2,756,403,676.98 = 1,150,500,220.68/x - Step 3: Cross multiply
1,997,243,635.08x = 2,756,403,676.98 × 1,150,500,220.68 - Step 4: Simplify right side
1,997,243,635.08x = 3,171,243,038,648,653,824 - Step 5: Solve for x
x = 3,171,243,038,648,653,824/1,997,243,635.08 - Step 6: Final answer
x = 1,587,809,810.96
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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.