Finding the Fourth Proportional to 1,889,572,204.80, 2,834,358,307.20 and 662,297,788.80
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Solution
The fourth proportional to 1,889,572,204.80, 2,834,358,307.20 and 662,297,788.80 is: 993,446,683.20
Step by Step Solution
- Step 1: Write the proportion equation
1,889,572,204.80 : 2,834,358,307.20 = 662,297,788.80 : x - Step 2: Convert to fraction form
1,889,572,204.80/2,834,358,307.20 = 662,297,788.80/x - Step 3: Cross multiply
1,889,572,204.80x = 2,834,358,307.20 × 662,297,788.80 - Step 4: Simplify right side
1,889,572,204.80x = 1,877,189,239,525,470,976 - Step 5: Solve for x
x = 1,877,189,239,525,470,976/1,889,572,204.80 - Step 6: Final answer
x = 993,446,683.20
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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.