Finding the Fourth Proportional to 7,543,710,779.32, 10,334,930,649.97 and 7,260,952,266.28
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Solution
The fourth proportional to 7,543,710,779.32, 10,334,930,649.97 and 7,260,952,266.28 is: 9,947,549,729.83
Step by Step Solution
- Step 1: Write the proportion equation
7,543,710,779.32 : 10,334,930,649.97 = 7,260,952,266.28 : x - Step 2: Convert to fraction form
7,543,710,779.32/10,334,930,649.97 = 7,260,952,266.28/x - Step 3: Cross multiply
7,543,710,779.32x = 10,334,930,649.97 × 7,260,952,266.28 - Step 4: Simplify right side
7,543,710,779.32x = 75,041,438,124,746,293,248 - Step 5: Solve for x
x = 75,041,438,124,746,293,248/7,543,710,779.32 - Step 6: Final answer
x = 9,947,549,729.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.