Finding the Fourth Proportional to 1,472,827,177.44, 2,032,544,594.79 and 803,815,131.87
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Solution
The fourth proportional to 1,472,827,177.44, 2,032,544,594.79 and 803,815,131.87 is: 1,109,288,398.88
Step by Step Solution
- Step 1: Write the proportion equation
1,472,827,177.44 : 2,032,544,594.79 = 803,815,131.87 : x - Step 2: Convert to fraction form
1,472,827,177.44/2,032,544,594.79 = 803,815,131.87/x - Step 3: Cross multiply
1,472,827,177.44x = 2,032,544,594.79 × 803,815,131.87 - Step 4: Simplify right side
1,472,827,177.44x = 1,633,790,101,492,779,520 - Step 5: Solve for x
x = 1,633,790,101,492,779,520/1,472,827,177.44 - Step 6: Final answer
x = 1,109,288,398.88
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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.