Finding the Fourth Proportional to 7,726,389,905.80, 11,589,584,858.70 and 2,817,432,209.80
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Solution
The fourth proportional to 7,726,389,905.80, 11,589,584,858.70 and 2,817,432,209.80 is: 4,226,148,314.70
Step by Step Solution
- Step 1: Write the proportion equation
7,726,389,905.80 : 11,589,584,858.70 = 2,817,432,209.80 : x - Step 2: Convert to fraction form
7,726,389,905.80/11,589,584,858.70 = 2,817,432,209.80/x - Step 3: Cross multiply
7,726,389,905.80x = 11,589,584,858.70 × 2,817,432,209.80 - Step 4: Simplify right side
7,726,389,905.80x = 32,652,869,679,111,766,016 - Step 5: Solve for x
x = 32,652,869,679,111,766,016/7,726,389,905.80 - Step 6: Final answer
x = 4,226,148,314.70
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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.