Finding the Fourth Proportional to 5,712,790,420.80, 8,569,185,631.20 and 4,043,923,963.20
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Solution
The fourth proportional to 5,712,790,420.80, 8,569,185,631.20 and 4,043,923,963.20 is: 6,065,885,944.80
Step by Step Solution
- Step 1: Write the proportion equation
5,712,790,420.80 : 8,569,185,631.20 = 4,043,923,963.20 : x - Step 2: Convert to fraction form
5,712,790,420.80/8,569,185,631.20 = 4,043,923,963.20/x - Step 3: Cross multiply
5,712,790,420.80x = 8,569,185,631.20 × 4,043,923,963.20 - Step 4: Simplify right side
5,712,790,420.80x = 34,653,135,119,118,794,752 - Step 5: Solve for x
x = 34,653,135,119,118,794,752/5,712,790,420.80 - Step 6: Final answer
x = 6,065,885,944.80
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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.