Finding the Fourth Proportional to 3,220,344,454.80, 4,830,516,682.20 and 2,832,605,101.20
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Solution
The fourth proportional to 3,220,344,454.80, 4,830,516,682.20 and 2,832,605,101.20 is: 4,248,907,651.80
Step by Step Solution
- Step 1: Write the proportion equation
3,220,344,454.80 : 4,830,516,682.20 = 2,832,605,101.20 : x - Step 2: Convert to fraction form
3,220,344,454.80/4,830,516,682.20 = 2,832,605,101.20/x - Step 3: Cross multiply
3,220,344,454.80x = 4,830,516,682.20 × 2,832,605,101.20 - Step 4: Simplify right side
3,220,344,454.80x = 13,682,946,195,431,417,856 - Step 5: Solve for x
x = 13,682,946,195,431,417,856/3,220,344,454.80 - Step 6: Final answer
x = 4,248,907,651.80
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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.