Finding the Fourth Proportional to 4,292,352,023.80, 6,438,528,035.70 and 3,203,960,855.80
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Solution
The fourth proportional to 4,292,352,023.80, 6,438,528,035.70 and 3,203,960,855.80 is: 4,805,941,283.70
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,023.80 : 6,438,528,035.70 = 3,203,960,855.80 : x - Step 2: Convert to fraction form
4,292,352,023.80/6,438,528,035.70 = 3,203,960,855.80/x - Step 3: Cross multiply
4,292,352,023.80x = 6,438,528,035.70 × 3,203,960,855.80 - Step 4: Simplify right side
4,292,352,023.80x = 20,628,791,795,353,665,536 - Step 5: Solve for x
x = 20,628,791,795,353,665,536/4,292,352,023.80 - Step 6: Final answer
x = 4,805,941,283.70
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1.5x scale
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.