Finding the Fourth Proportional to 1,803,280,558,206.80, 2,488,528,773,855.60 and 980,217,515,608.44
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Solution
The fourth proportional to 1,803,280,558,206.80, 2,488,528,773,855.60 and 980,217,515,608.44 is: 1,352,701,043,177.95
Step by Step Solution
- Step 1: Write the proportion equation
1,803,280,558,206.80 : 2,488,528,773,855.60 = 980,217,515,608.44 : x - Step 2: Convert to fraction form
1,803,280,558,206.80/2,488,528,773,855.60 = 980,217,515,608.44/x - Step 3: Cross multiply
1,803,280,558,206.80x = 2,488,528,773,855.60 × 980,217,515,608.44 - Step 4: Simplify right side
1,803,280,558,206.80x = 2,439,299,492,228,853,747,679,232 - Step 5: Solve for x
x = 2,439,299,492,228,853,747,679,232/1,803,280,558,206.80 - Step 6: Final answer
x = 1,352,701,043,177.95
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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.