Finding the Fourth Proportional to 56,162,315,467.80, 84,243,473,201.70 and 18,884,917,963.80
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Solution
The fourth proportional to 56,162,315,467.80, 84,243,473,201.70 and 18,884,917,963.80 is: 28,327,376,945.70
Step by Step Solution
- Step 1: Write the proportion equation
56,162,315,467.80 : 84,243,473,201.70 = 18,884,917,963.80 : x - Step 2: Convert to fraction form
56,162,315,467.80/84,243,473,201.70 = 18,884,917,963.80/x - Step 3: Cross multiply
56,162,315,467.80x = 84,243,473,201.70 × 18,884,917,963.80 - Step 4: Simplify right side
56,162,315,467.80x = 1,590,931,080,399,688,040,448 - Step 5: Solve for x
x = 1,590,931,080,399,688,040,448/56,162,315,467.80 - Step 6: Final answer
x = 28,327,376,945.70
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1.5x scale
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.