Finding the Fourth Proportional to 2,007,313,159.95, 3,009,935,901.29 and 900,969,575.99
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Solution
The fourth proportional to 2,007,313,159.95, 3,009,935,901.29 and 900,969,575.99 is: 1,350,990,332.17
Step by Step Solution
- Step 1: Write the proportion equation
2,007,313,159.95 : 3,009,935,901.29 = 900,969,575.99 : x - Step 2: Convert to fraction form
2,007,313,159.95/3,009,935,901.29 = 900,969,575.99/x - Step 3: Cross multiply
2,007,313,159.95x = 3,009,935,901.29 × 900,969,575.99 - Step 4: Simplify right side
2,007,313,159.95x = 2,711,860,672,722,775,040 - Step 5: Solve for x
x = 2,711,860,672,722,775,040/2,007,313,159.95 - Step 6: Final answer
x = 1,350,990,332.17
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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.