Finding the Fourth Proportional to 962,430,415.78, 1,328,119,609.58 and 544,733,733.02
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Solution
The fourth proportional to 962,430,415.78, 1,328,119,609.58 and 544,733,733.02 is: 751,713,101.50
Step by Step Solution
- Step 1: Write the proportion equation
962,430,415.78 : 1,328,119,609.58 = 544,733,733.02 : x - Step 2: Convert to fraction form
962,430,415.78/1,328,119,609.58 = 544,733,733.02/x - Step 3: Cross multiply
962,430,415.78x = 1,328,119,609.58 × 544,733,733.02 - Step 4: Simplify right side
962,430,415.78x = 723,471,552,823,578,240 - Step 5: Solve for x
x = 723,471,552,823,578,240/962,430,415.78 - Step 6: Final answer
x = 751,713,101.50
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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.