Finding the Fourth Proportional to 6,964,203,695.76, 10,447,919,355.48 and 1,989,990,337.48
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Solution
The fourth proportional to 6,964,203,695.76, 10,447,919,355.48 and 1,989,990,337.48 is: 2,985,446,645.80
Step by Step Solution
- Step 1: Write the proportion equation
6,964,203,695.76 : 10,447,919,355.48 = 1,989,990,337.48 : x - Step 2: Convert to fraction form
6,964,203,695.76/10,447,919,355.48 = 1,989,990,337.48/x - Step 3: Cross multiply
6,964,203,695.76x = 10,447,919,355.48 × 1,989,990,337.48 - Step 4: Simplify right side
6,964,203,695.76x = 20,791,258,564,175,470,592 - Step 5: Solve for x
x = 20,791,258,564,175,470,592/6,964,203,695.76 - Step 6: Final answer
x = 2,985,446,645.80
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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.