Finding the Fourth Proportional to 443,329,648,379.36, 664,927,281,987.84 and 120,657,606,427.28
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Solution
The fourth proportional to 443,329,648,379.36, 664,927,281,987.84 and 120,657,606,427.28 is: 180,968,122,899.37
Step by Step Solution
- Step 1: Write the proportion equation
443,329,648,379.36 : 664,927,281,987.84 = 120,657,606,427.28 : x - Step 2: Convert to fraction form
443,329,648,379.36/664,927,281,987.84 = 120,657,606,427.28/x - Step 3: Cross multiply
443,329,648,379.36x = 664,927,281,987.84 × 120,657,606,427.28 - Step 4: Simplify right side
443,329,648,379.36x = 80,228,534,292,849,826,463,744 - Step 5: Solve for x
x = 80,228,534,292,849,826,463,744/443,329,648,379.36 - Step 6: Final answer
x = 180,968,122,899.37
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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.