Finding the Fourth Proportional to 3,551,169,426.80, 5,326,754,140.20 and 1,918,582,674.80
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Solution
The fourth proportional to 3,551,169,426.80, 5,326,754,140.20 and 1,918,582,674.80 is: 2,877,874,012.20
Step by Step Solution
- Step 1: Write the proportion equation
3,551,169,426.80 : 5,326,754,140.20 = 1,918,582,674.80 : x - Step 2: Convert to fraction form
3,551,169,426.80/5,326,754,140.20 = 1,918,582,674.80/x - Step 3: Cross multiply
3,551,169,426.80x = 5,326,754,140.20 × 1,918,582,674.80 - Step 4: Simplify right side
3,551,169,426.80x = 10,219,818,206,306,889,728 - Step 5: Solve for x
x = 10,219,818,206,306,889,728/3,551,169,426.80 - Step 6: Final answer
x = 2,877,874,012.20
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1.5x scale
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.