Finding the Fourth Proportional to 13,272,260,935.68, 18,315,873,239.04 and 7,331,688,898.56
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Solution
The fourth proportional to 13,272,260,935.68, 18,315,873,239.04 and 7,331,688,898.56 is: 10,117,815,279.92
Step by Step Solution
- Step 1: Write the proportion equation
13,272,260,935.68 : 18,315,873,239.04 = 7,331,688,898.56 : x - Step 2: Convert to fraction form
13,272,260,935.68/18,315,873,239.04 = 7,331,688,898.56/x - Step 3: Cross multiply
13,272,260,935.68x = 18,315,873,239.04 × 7,331,688,898.56 - Step 4: Simplify right side
13,272,260,935.68x = 134,286,284,494,101,774,336 - Step 5: Solve for x
x = 134,286,284,494,101,774,336/13,272,260,935.68 - Step 6: Final answer
x = 10,117,815,279.92
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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.