Finding the Fourth Proportional to 708,588,602.70, 1,062,882,904.05 and 704,283,930.60
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Solution
The fourth proportional to 708,588,602.70, 1,062,882,904.05 and 704,283,930.60 is: 1,056,425,895.90
Step by Step Solution
- Step 1: Write the proportion equation
708,588,602.70 : 1,062,882,904.05 = 704,283,930.60 : x - Step 2: Convert to fraction form
708,588,602.70/1,062,882,904.05 = 704,283,930.60/x - Step 3: Cross multiply
708,588,602.70x = 1,062,882,904.05 × 704,283,930.60 - Step 4: Simplify right side
708,588,602.70x = 748,571,349,431,876,608 - Step 5: Solve for x
x = 748,571,349,431,876,608/708,588,602.70 - Step 6: Final answer
x = 1,056,425,895.90
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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.