Finding the Fourth Proportional to 21,260,863,613.12, 29,340,003,557.80 and 11,484,000,564.91
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Solution
The fourth proportional to 21,260,863,613.12, 29,340,003,557.80 and 11,484,000,564.91 is: 15,847,927,138.02
Step by Step Solution
- Step 1: Write the proportion equation
21,260,863,613.12 : 29,340,003,557.80 = 11,484,000,564.91 : x - Step 2: Convert to fraction form
21,260,863,613.12/29,340,003,557.80 = 11,484,000,564.91/x - Step 3: Cross multiply
21,260,863,613.12x = 29,340,003,557.80 × 11,484,000,564.91 - Step 4: Simplify right side
21,260,863,613.12x = 336,940,617,432,089,952,256 - Step 5: Solve for x
x = 336,940,617,432,089,952,256/21,260,863,613.12 - Step 6: Final answer
x = 15,847,927,138.02
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1.5x scale
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.