Finding the Fourth Proportional to 847,263,011.80, 1,270,894,517.70 and 301,807,715.80
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Solution
The fourth proportional to 847,263,011.80, 1,270,894,517.70 and 301,807,715.80 is: 452,711,573.70
Step by Step Solution
- Step 1: Write the proportion equation
847,263,011.80 : 1,270,894,517.70 = 301,807,715.80 : x - Step 2: Convert to fraction form
847,263,011.80/1,270,894,517.70 = 301,807,715.80/x - Step 3: Cross multiply
847,263,011.80x = 1,270,894,517.70 × 301,807,715.80 - Step 4: Simplify right side
847,263,011.80x = 383,565,771,409,779,712 - Step 5: Solve for x
x = 383,565,771,409,779,712/847,263,011.80 - Step 6: Final answer
x = 452,711,573.70
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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.