Finding the Fourth Proportional to 1,104,875,267.40, 1,524,500,259.05 and 634,885,786.68
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Solution
The fourth proportional to 1,104,875,267.40, 1,524,500,259.05 and 634,885,786.68 is: 876,011,595.90
Step by Step Solution
- Step 1: Write the proportion equation
1,104,875,267.40 : 1,524,500,259.05 = 634,885,786.68 : x - Step 2: Convert to fraction form
1,104,875,267.40/1,524,500,259.05 = 634,885,786.68/x - Step 3: Cross multiply
1,104,875,267.40x = 1,524,500,259.05 × 634,885,786.68 - Step 4: Simplify right side
1,104,875,267.40x = 967,883,546,265,261,056 - Step 5: Solve for x
x = 967,883,546,265,261,056/1,104,875,267.40 - Step 6: Final answer
x = 876,011,595.90
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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.