Finding the Fourth Proportional to 1,037,393,900.48, 1,431,599,302.68 and 561,084,800.96
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Solution
The fourth proportional to 1,037,393,900.48, 1,431,599,302.68 and 561,084,800.96 is: 774,294,710.45
Step by Step Solution
- Step 1: Write the proportion equation
1,037,393,900.48 : 1,431,599,302.68 = 561,084,800.96 : x - Step 2: Convert to fraction form
1,037,393,900.48/1,431,599,302.68 = 561,084,800.96/x - Step 3: Cross multiply
1,037,393,900.48x = 1,431,599,302.68 × 561,084,800.96 - Step 4: Simplify right side
1,037,393,900.48x = 803,248,609,798,682,624 - Step 5: Solve for x
x = 803,248,609,798,682,624/1,037,393,900.48 - Step 6: Final answer
x = 774,294,710.45
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Double scale
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Similar ratio
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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.