Finding the Fourth Proportional to 7,688,014,316.30, 11,530,856,287.20 and 2,092,387,447.81
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Solution
The fourth proportional to 7,688,014,316.30, 11,530,856,287.20 and 2,092,387,447.81 is: 3,138,264,051.70
Step by Step Solution
- Step 1: Write the proportion equation
7,688,014,316.30 : 11,530,856,287.20 = 2,092,387,447.81 : x - Step 2: Convert to fraction form
7,688,014,316.30/11,530,856,287.20 = 2,092,387,447.81/x - Step 3: Cross multiply
7,688,014,316.30x = 11,530,856,287.20 × 2,092,387,447.81 - Step 4: Simplify right side
7,688,014,316.30x = 24,127,018,957,809,471,488 - Step 5: Solve for x
x = 24,127,018,957,809,471,488/7,688,014,316.30 - Step 6: Final answer
x = 3,138,264,051.70
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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.