Finding the Fourth Proportional to 1,355,191,539.92, 2,031,895,245.24 and 893,722,642.64
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Solution
The fourth proportional to 1,355,191,539.92, 2,031,895,245.24 and 893,722,642.64 is: 1,339,995,664.56
Step by Step Solution
- Step 1: Write the proportion equation
1,355,191,539.92 : 2,031,895,245.24 = 893,722,642.64 : x - Step 2: Convert to fraction form
1,355,191,539.92/2,031,895,245.24 = 893,722,642.64/x - Step 3: Cross multiply
1,355,191,539.92x = 2,031,895,245.24 × 893,722,642.64 - Step 4: Simplify right side
1,355,191,539.92x = 1,815,950,788,143,543,552 - Step 5: Solve for x
x = 1,815,950,788,143,543,552/1,355,191,539.92 - Step 6: Final answer
x = 1,339,995,664.56
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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.