Finding the Fourth Proportional to 20,469,535,812.64, 28,246,206,248.76 and 11,779,272,437.68
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Solution
The fourth proportional to 20,469,535,812.64, 28,246,206,248.76 and 11,779,272,437.68 is: 16,254,387,094.09
Step by Step Solution
- Step 1: Write the proportion equation
20,469,535,812.64 : 28,246,206,248.76 = 11,779,272,437.68 : x - Step 2: Convert to fraction form
20,469,535,812.64/28,246,206,248.76 = 11,779,272,437.68/x - Step 3: Cross multiply
20,469,535,812.64x = 28,246,206,248.76 × 11,779,272,437.68 - Step 4: Simplify right side
20,469,535,812.64x = 332,719,758,735,043,264,512 - Step 5: Solve for x
x = 332,719,758,735,043,264,512/20,469,535,812.64 - Step 6: Final answer
x = 16,254,387,094.09
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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.