Finding the Fourth Proportional to 1,409,563,783.70, 2,113,031,245.82 and 476,233,916.99
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Solution
The fourth proportional to 1,409,563,783.70, 2,113,031,245.82 and 476,233,916.99 is: 713,906,783.46
Step by Step Solution
- Step 1: Write the proportion equation
1,409,563,783.70 : 2,113,031,245.82 = 476,233,916.99 : x - Step 2: Convert to fraction form
1,409,563,783.70/2,113,031,245.82 = 476,233,916.99/x - Step 3: Cross multiply
1,409,563,783.70x = 2,113,031,245.82 × 476,233,916.99 - Step 4: Simplify right side
1,409,563,783.70x = 1,006,297,146,909,636,992 - Step 5: Solve for x
x = 1,006,297,146,909,636,992/1,409,563,783.70 - Step 6: Final answer
x = 713,906,783.46
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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.