Finding the Fourth Proportional to 12,415,826,260.80, 17,131,282,518.24 and 7,134,408,118.08
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Solution
The fourth proportional to 12,415,826,260.80, 17,131,282,518.24 and 7,134,408,118.08 is: 9,844,013,479.57
Step by Step Solution
- Step 1: Write the proportion equation
12,415,826,260.80 : 17,131,282,518.24 = 7,134,408,118.08 : x - Step 2: Convert to fraction form
12,415,826,260.80/17,131,282,518.24 = 7,134,408,118.08/x - Step 3: Cross multiply
12,415,826,260.80x = 17,131,282,518.24 × 7,134,408,118.08 - Step 4: Simplify right side
12,415,826,260.80x = 122,221,561,071,253,438,464 - Step 5: Solve for x
x = 122,221,561,071,253,438,464/12,415,826,260.80 - Step 6: Final answer
x = 9,844,013,479.57
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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.