Finding the Fourth Proportional to 1,010,984,164.20, 1,516,476,246.30 and 896,192,908.20
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Solution
The fourth proportional to 1,010,984,164.20, 1,516,476,246.30 and 896,192,908.20 is: 1,344,289,362.30
Step by Step Solution
- Step 1: Write the proportion equation
1,010,984,164.20 : 1,516,476,246.30 = 896,192,908.20 : x - Step 2: Convert to fraction form
1,010,984,164.20/1,516,476,246.30 = 896,192,908.20/x - Step 3: Cross multiply
1,010,984,164.20x = 1,516,476,246.30 × 896,192,908.20 - Step 4: Simplify right side
1,010,984,164.20x = 1,359,055,257,387,816,448 - Step 5: Solve for x
x = 1,359,055,257,387,816,448/1,010,984,164.20 - Step 6: Final answer
x = 1,344,289,362.30
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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.