Finding the Fourth Proportional to 9,708,023,675.12, 13,396,977,294.36 and 5,252,590,292.72
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Solution
The fourth proportional to 9,708,023,675.12, 13,396,977,294.36 and 5,252,590,292.72 is: 7,248,522,999.43
Step by Step Solution
- Step 1: Write the proportion equation
9,708,023,675.12 : 13,396,977,294.36 = 5,252,590,292.72 : x - Step 2: Convert to fraction form
9,708,023,675.12/13,396,977,294.36 = 5,252,590,292.72/x - Step 3: Cross multiply
9,708,023,675.12x = 13,396,977,294.36 × 5,252,590,292.72 - Step 4: Simplify right side
9,708,023,675.12x = 70,368,832,888,145,592,320 - Step 5: Solve for x
x = 70,368,832,888,145,592,320/9,708,023,675.12 - Step 6: Final answer
x = 7,248,522,999.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.