Finding the Fourth Proportional to 12,107,476,846.08, 16,708,310,657.28 and 6,544,588,654.08
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Solution
The fourth proportional to 12,107,476,846.08, 16,708,310,657.28 and 6,544,588,654.08 is: 9,031,528,347.86
Step by Step Solution
- Step 1: Write the proportion equation
12,107,476,846.08 : 16,708,310,657.28 = 6,544,588,654.08 : x - Step 2: Convert to fraction form
12,107,476,846.08/16,708,310,657.28 = 6,544,588,654.08/x - Step 3: Cross multiply
12,107,476,846.08x = 16,708,310,657.28 × 6,544,588,654.08 - Step 4: Simplify right side
12,107,476,846.08x = 109,349,020,356,478,631,936 - Step 5: Solve for x
x = 109,349,020,356,478,631,936/12,107,476,846.08 - Step 6: Final answer
x = 9,031,528,347.86
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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.