Finding the Fourth Proportional to 2,248,080,813.70, 3,102,388,251.38 and 1,230,789,267.20
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Solution
The fourth proportional to 2,248,080,813.70, 3,102,388,251.38 and 1,230,789,267.20 is: 1,698,509,297.01
Step by Step Solution
- Step 1: Write the proportion equation
2,248,080,813.70 : 3,102,388,251.38 = 1,230,789,267.20 : x - Step 2: Convert to fraction form
2,248,080,813.70/3,102,388,251.38 = 1,230,789,267.20/x - Step 3: Cross multiply
2,248,080,813.70x = 3,102,388,251.38 × 1,230,789,267.20 - Step 4: Simplify right side
2,248,080,813.70x = 3,818,386,162,485,879,808 - Step 5: Solve for x
x = 3,818,386,162,485,879,808/2,248,080,813.70 - Step 6: Final answer
x = 1,698,509,297.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.