Finding the Fourth Proportional to 4,783,652,166.79, 7,179,140,666 and 2,165,295,044.35
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Solution
The fourth proportional to 4,783,652,166.79, 7,179,140,666 and 2,165,295,044.35 is: 3,249,600,339.82
Step by Step Solution
- Step 1: Write the proportion equation
4,783,652,166.79 : 7,179,140,666 = 2,165,295,044.35 : x - Step 2: Convert to fraction form
4,783,652,166.79/7,179,140,666 = 2,165,295,044.35/x - Step 3: Cross multiply
4,783,652,166.79x = 7,179,140,666 × 2,165,295,044.35 - Step 4: Simplify right side
4,783,652,166.79x = 15,544,957,706,781,358,080 - Step 5: Solve for x
x = 15,544,957,706,781,358,080/4,783,652,166.79 - Step 6: Final answer
x = 3,249,600,339.82
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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.