Finding the Fourth Proportional to 7,919,179,567.18, 10,929,404,687.79 and 4,704,102,259.42
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Solution
The fourth proportional to 7,919,179,567.18, 10,929,404,687.79 and 4,704,102,259.42 is: 6,492,217,640.70
Step by Step Solution
- Step 1: Write the proportion equation
7,919,179,567.18 : 10,929,404,687.79 = 4,704,102,259.42 : x - Step 2: Convert to fraction form
7,919,179,567.18/10,929,404,687.79 = 4,704,102,259.42/x - Step 3: Cross multiply
7,919,179,567.18x = 10,929,404,687.79 × 4,704,102,259.42 - Step 4: Simplify right side
7,919,179,567.18x = 51,413,037,285,948,481,536 - Step 5: Solve for x
x = 51,413,037,285,948,481,536/7,919,179,567.18 - Step 6: Final answer
x = 6,492,217,640.70
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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.