Finding the Fourth Proportional to 1,571,585,933.70, 2,357,378,900.55 and 536,480,583.30
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Solution
The fourth proportional to 1,571,585,933.70, 2,357,378,900.55 and 536,480,583.30 is: 804,720,874.95
Step by Step Solution
- Step 1: Write the proportion equation
1,571,585,933.70 : 2,357,378,900.55 = 536,480,583.30 : x - Step 2: Convert to fraction form
1,571,585,933.70/2,357,378,900.55 = 536,480,583.30/x - Step 3: Cross multiply
1,571,585,933.70x = 2,357,378,900.55 × 536,480,583.30 - Step 4: Simplify right side
1,571,585,933.70x = 1,264,688,007,626,176,768 - Step 5: Solve for x
x = 1,264,688,007,626,176,768/1,571,585,933.70 - Step 6: Final answer
x = 804,720,874.95
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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.