Finding the Fourth Proportional to 4,663,358,332.40, 6,995,821,319.40 and 1,392,138,210.80
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Solution
The fourth proportional to 4,663,358,332.40, 6,995,821,319.40 and 1,392,138,210.80 is: 2,088,441,307.84
Step by Step Solution
- Step 1: Write the proportion equation
4,663,358,332.40 : 6,995,821,319.40 = 1,392,138,210.80 : x - Step 2: Convert to fraction form
4,663,358,332.40/6,995,821,319.40 = 1,392,138,210.80/x - Step 3: Cross multiply
4,663,358,332.40x = 6,995,821,319.40 × 1,392,138,210.80 - Step 4: Simplify right side
4,663,358,332.40x = 9,739,150,174,666,010,624 - Step 5: Solve for x
x = 9,739,150,174,666,010,624/4,663,358,332.40 - Step 6: Final answer
x = 2,088,441,307.84
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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.