Finding the Fourth Proportional to 7,087,672,877.70, 10,631,509,316.55 and 4,185,296,429.70
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Solution
The fourth proportional to 7,087,672,877.70, 10,631,509,316.55 and 4,185,296,429.70 is: 6,277,944,644.55
Step by Step Solution
- Step 1: Write the proportion equation
7,087,672,877.70 : 10,631,509,316.55 = 4,185,296,429.70 : x - Step 2: Convert to fraction form
7,087,672,877.70/10,631,509,316.55 = 4,185,296,429.70/x - Step 3: Cross multiply
7,087,672,877.70x = 10,631,509,316.55 × 4,185,296,429.70 - Step 4: Simplify right side
7,087,672,877.70x = 44,496,017,984,878,993,408 - Step 5: Solve for x
x = 44,496,017,984,878,993,408/7,087,672,877.70 - Step 6: Final answer
x = 6,277,944,644.55
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1.5x scale
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.