Finding the Fourth Proportional to 4,781,446,303.80, 6,595,886,552.94 and 3,890,369,425.08
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Solution
The fourth proportional to 4,781,446,303.80, 6,595,886,552.94 and 3,890,369,425.08 is: 5,366,668,105.52
Step by Step Solution
- Step 1: Write the proportion equation
4,781,446,303.80 : 6,595,886,552.94 = 3,890,369,425.08 : x - Step 2: Convert to fraction form
4,781,446,303.80/6,595,886,552.94 = 3,890,369,425.08/x - Step 3: Cross multiply
4,781,446,303.80x = 6,595,886,552.94 × 3,890,369,425.08 - Step 4: Simplify right side
4,781,446,303.80x = 25,660,435,376,854,089,728 - Step 5: Solve for x
x = 25,660,435,376,854,089,728/4,781,446,303.80 - Step 6: Final answer
x = 5,366,668,105.52
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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.