Finding the Fourth Proportional to 4,437,986,710.20, 6,656,818,612.82 and 1,332,488,640.66
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Solution
The fourth proportional to 4,437,986,710.20, 6,656,818,612.82 and 1,332,488,640.66 is: 1,998,684,485.50
Step by Step Solution
- Step 1: Write the proportion equation
4,437,986,710.20 : 6,656,818,612.82 = 1,332,488,640.66 : x - Step 2: Convert to fraction form
4,437,986,710.20/6,656,818,612.82 = 1,332,488,640.66/x - Step 3: Cross multiply
4,437,986,710.20x = 6,656,818,612.82 × 1,332,488,640.66 - Step 4: Simplify right side
4,437,986,710.20x = 8,870,135,184,516,708,352 - Step 5: Solve for x
x = 8,870,135,184,516,708,352/4,437,986,710.20 - Step 6: Final answer
x = 1,998,684,485.50
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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.