Finding the Fourth Proportional to 7,134,528,007.40, 10,681,384,676.70 and 4,379,537,863.40
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Solution
The fourth proportional to 7,134,528,007.40, 10,681,384,676.70 and 4,379,537,863.40 is: 6,556,779,730.44
Step by Step Solution
- Step 1: Write the proportion equation
7,134,528,007.40 : 10,681,384,676.70 = 4,379,537,863.40 : x - Step 2: Convert to fraction form
7,134,528,007.40/10,681,384,676.70 = 4,379,537,863.40/x - Step 3: Cross multiply
7,134,528,007.40x = 10,681,384,676.70 × 4,379,537,863.40 - Step 4: Simplify right side
7,134,528,007.40x = 46,779,528,625,148,215,296 - Step 5: Solve for x
x = 46,779,528,625,148,215,296/7,134,528,007.40 - Step 6: Final answer
x = 6,556,779,730.44
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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.