Finding the Fourth Proportional to 2,983,748,428.80, 4,475,622,643.20 and 1,017,948,169.80
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Solution
The fourth proportional to 2,983,748,428.80, 4,475,622,643.20 and 1,017,948,169.80 is: 1,526,922,254.70
Step by Step Solution
- Step 1: Write the proportion equation
2,983,748,428.80 : 4,475,622,643.20 = 1,017,948,169.80 : x - Step 2: Convert to fraction form
2,983,748,428.80/4,475,622,643.20 = 1,017,948,169.80/x - Step 3: Cross multiply
2,983,748,428.80x = 4,475,622,643.20 × 1,017,948,169.80 - Step 4: Simplify right side
2,983,748,428.80x = 4,555,951,878,360,878,080 - Step 5: Solve for x
x = 4,555,951,878,360,878,080/2,983,748,428.80 - Step 6: Final answer
x = 1,526,922,254.70
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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.