Finding the Fourth Proportional to 249,113,352.40, 373,670,028.60 and 247,678,461.70
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Solution
The fourth proportional to 249,113,352.40, 373,670,028.60 and 247,678,461.70 is: 371,517,692.55
Step by Step Solution
- Step 1: Write the proportion equation
249,113,352.40 : 373,670,028.60 = 247,678,461.70 : x - Step 2: Convert to fraction form
249,113,352.40/373,670,028.60 = 247,678,461.70/x - Step 3: Cross multiply
249,113,352.40x = 373,670,028.60 × 247,678,461.70 - Step 4: Simplify right side
249,113,352.40x = 92,550,017,867,043,008 - Step 5: Solve for x
x = 92,550,017,867,043,008/249,113,352.40 - Step 6: Final answer
x = 371,517,692.55
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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.