Finding the Fourth Proportional to 3,098,239,312.26, 4,648,270,768.74 and 999,676,351.84
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Solution
The fourth proportional to 3,098,239,312.26, 4,648,270,768.74 and 999,676,351.84 is: 1,499,808,728.81
Step by Step Solution
- Step 1: Write the proportion equation
3,098,239,312.26 : 4,648,270,768.74 = 999,676,351.84 : x - Step 2: Convert to fraction form
3,098,239,312.26/4,648,270,768.74 = 999,676,351.84/x - Step 3: Cross multiply
3,098,239,312.26x = 4,648,270,768.74 × 999,676,351.84 - Step 4: Simplify right side
3,098,239,312.26x = 4,646,766,364,458,515,456 - Step 5: Solve for x
x = 4,646,766,364,458,515,456/3,098,239,312.26 - Step 6: Final answer
x = 1,499,808,728.81
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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.