Finding the Fourth Proportional to 1,650,191,113.12, 2,277,306,817.68 and 907,654,658.08
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Solution
The fourth proportional to 1,650,191,113.12, 2,277,306,817.68 and 907,654,658.08 is: 1,252,587,124.31
Step by Step Solution
- Step 1: Write the proportion equation
1,650,191,113.12 : 2,277,306,817.68 = 907,654,658.08 : x - Step 2: Convert to fraction form
1,650,191,113.12/2,277,306,817.68 = 907,654,658.08/x - Step 3: Cross multiply
1,650,191,113.12x = 2,277,306,817.68 × 907,654,658.08 - Step 4: Simplify right side
1,650,191,113.12x = 2,067,008,140,944,593,152 - Step 5: Solve for x
x = 2,067,008,140,944,593,152/1,650,191,113.12 - Step 6: Final answer
x = 1,252,587,124.31
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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.