Finding the Fourth Proportional to 9,726,708,935.60, 13,429,447,418.76 and 6,161,579,575.28
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Solution
The fourth proportional to 9,726,708,935.60, 13,429,447,418.76 and 6,161,579,575.28 is: 8,507,153,804.09
Step by Step Solution
- Step 1: Write the proportion equation
9,726,708,935.60 : 13,429,447,418.76 = 6,161,579,575.28 : x - Step 2: Convert to fraction form
9,726,708,935.60/13,429,447,418.76 = 6,161,579,575.28/x - Step 3: Cross multiply
9,726,708,935.60x = 13,429,447,418.76 × 6,161,579,575.28 - Step 4: Simplify right side
9,726,708,935.60x = 82,746,608,922,728,333,312 - Step 5: Solve for x
x = 82,746,608,922,728,333,312/9,726,708,935.60 - Step 6: Final answer
x = 8,507,153,804.09
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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.