Finding the Fourth Proportional to 1,564,153,618.20, 2,340,183,809.70 and 1,019,958,034.20
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Solution
The fourth proportional to 1,564,153,618.20, 2,340,183,809.70 and 1,019,958,034.20 is: 1,525,994,154.56
Step by Step Solution
- Step 1: Write the proportion equation
1,564,153,618.20 : 2,340,183,809.70 = 1,019,958,034.20 : x - Step 2: Convert to fraction form
1,564,153,618.20/2,340,183,809.70 = 1,019,958,034.20/x - Step 3: Cross multiply
1,564,153,618.20x = 2,340,183,809.70 × 1,019,958,034.20 - Step 4: Simplify right side
1,564,153,618.20x = 2,386,889,278,208,279,040 - Step 5: Solve for x
x = 2,386,889,278,208,279,040/1,564,153,618.20 - Step 6: Final answer
x = 1,525,994,154.56
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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.