Finding the Fourth Proportional to 7,243,344,253.80, 10,865,016,380.70 and 6,898,970,485.80
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Solution
The fourth proportional to 7,243,344,253.80, 10,865,016,380.70 and 6,898,970,485.80 is: 10,348,455,728.70
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,253.80 : 10,865,016,380.70 = 6,898,970,485.80 : x - Step 2: Convert to fraction form
7,243,344,253.80/10,865,016,380.70 = 6,898,970,485.80/x - Step 3: Cross multiply
7,243,344,253.80x = 10,865,016,380.70 × 6,898,970,485.80 - Step 4: Simplify right side
7,243,344,253.80x = 74,957,427,338,182,836,224 - Step 5: Solve for x
x = 74,957,427,338,182,836,224/7,243,344,253.80 - Step 6: Final answer
x = 10,348,455,728.70
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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.