Finding the Fourth Proportional to 1,684,368,003.80, 2,526,552,005.70 and 1,276,221,315.80
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Solution
The fourth proportional to 1,684,368,003.80, 2,526,552,005.70 and 1,276,221,315.80 is: 1,914,331,973.70
Step by Step Solution
- Step 1: Write the proportion equation
1,684,368,003.80 : 2,526,552,005.70 = 1,276,221,315.80 : x - Step 2: Convert to fraction form
1,684,368,003.80/2,526,552,005.70 = 1,276,221,315.80/x - Step 3: Cross multiply
1,684,368,003.80x = 2,526,552,005.70 × 1,276,221,315.80 - Step 4: Simplify right side
1,684,368,003.80x = 3,224,439,525,151,582,720 - Step 5: Solve for x
x = 3,224,439,525,151,582,720/1,684,368,003.80 - Step 6: Final answer
x = 1,914,331,973.70
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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.