Finding the Fourth Proportional to 2,085,844,037,885.60, 3,129,122,506,702.30 and 859,933,012,742.80
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Solution
The fourth proportional to 2,085,844,037,885.60, 3,129,122,506,702.30 and 859,933,012,742.80 is: 1,290,046,473,061.09
Step by Step Solution
- Step 1: Write the proportion equation
2,085,844,037,885.60 : 3,129,122,506,702.30 = 859,933,012,742.80 : x - Step 2: Convert to fraction form
2,085,844,037,885.60/3,129,122,506,702.30 = 859,933,012,742.80/x - Step 3: Cross multiply
2,085,844,037,885.60x = 3,129,122,506,702.30 × 859,933,012,742.80 - Step 4: Simplify right side
2,085,844,037,885.60x = 2,690,835,744,429,811,179,716,608 - Step 5: Solve for x
x = 2,690,835,744,429,811,179,716,608/2,085,844,037,885.60 - Step 6: Final answer
x = 1,290,046,473,061.09
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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.