Finding the Fourth Proportional to 1,917,469,053.09, 2,877,032,170.85 and 1,031,118,439.55
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Solution
The fourth proportional to 1,917,469,053.09, 2,877,032,170.85 and 1,031,118,439.55 is: 1,547,123,234.01
Step by Step Solution
- Step 1: Write the proportion equation
1,917,469,053.09 : 2,877,032,170.85 = 1,031,118,439.55 : x - Step 2: Convert to fraction form
1,917,469,053.09/2,877,032,170.85 = 1,031,118,439.55/x - Step 3: Cross multiply
1,917,469,053.09x = 2,877,032,170.85 × 1,031,118,439.55 - Step 4: Simplify right side
1,917,469,053.09x = 2,966,560,922,522,460,160 - Step 5: Solve for x
x = 2,966,560,922,522,460,160/1,917,469,053.09 - Step 6: Final answer
x = 1,547,123,234.01
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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.