Finding the Fourth Proportional to 1,069,457,005.07, 1,603,053,304.07 and 359,729,933.19
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Solution
The fourth proportional to 1,069,457,005.07, 1,603,053,304.07 and 359,729,933.19 is: 539,214,063.99
Step by Step Solution
- Step 1: Write the proportion equation
1,069,457,005.07 : 1,603,053,304.07 = 359,729,933.19 : x - Step 2: Convert to fraction form
1,069,457,005.07/1,603,053,304.07 = 359,729,933.19/x - Step 3: Cross multiply
1,069,457,005.07x = 1,603,053,304.07 × 359,729,933.19 - Step 4: Simplify right side
1,069,457,005.07x = 576,666,257,965,299,712 - Step 5: Solve for x
x = 576,666,257,965,299,712/1,069,457,005.07 - Step 6: Final answer
x = 539,214,063.99
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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.