Finding the Fourth Proportional to 1,733,170,306.84, 2,391,775,023.38 and 990,630,312.82
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Solution
The fourth proportional to 1,733,170,306.84, 2,391,775,023.38 and 990,630,312.82 is: 1,367,069,831.66
Step by Step Solution
- Step 1: Write the proportion equation
1,733,170,306.84 : 2,391,775,023.38 = 990,630,312.82 : x - Step 2: Convert to fraction form
1,733,170,306.84/2,391,775,023.38 = 990,630,312.82/x - Step 3: Cross multiply
1,733,170,306.84x = 2,391,775,023.38 × 990,630,312.82 - Step 4: Simplify right side
1,733,170,306.84x = 2,369,364,839,605,992,448 - Step 5: Solve for x
x = 2,369,364,839,605,992,448/1,733,170,306.84 - Step 6: Final answer
x = 1,367,069,831.66
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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.