Finding the Fourth Proportional to 1,048,339,768.64, 1,446,739,161.50 and 578,471,347.94
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Solution
The fourth proportional to 1,048,339,768.64, 1,446,739,161.50 and 578,471,347.94 is: 798,307,169.02
Step by Step Solution
- Step 1: Write the proportion equation
1,048,339,768.64 : 1,446,739,161.50 = 578,471,347.94 : x - Step 2: Convert to fraction form
1,048,339,768.64/1,446,739,161.50 = 578,471,347.94/x - Step 3: Cross multiply
1,048,339,768.64x = 1,446,739,161.50 × 578,471,347.94 - Step 4: Simplify right side
1,048,339,768.64x = 836,897,152,870,490,496 - Step 5: Solve for x
x = 836,897,152,870,490,496/1,048,339,768.64 - Step 6: Final answer
x = 798,307,169.02
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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.