Finding the Fourth Proportional to 974,481,605.40, 1,461,722,408.10 and 867,343,099.80
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Solution
The fourth proportional to 974,481,605.40, 1,461,722,408.10 and 867,343,099.80 is: 1,301,014,649.70
Step by Step Solution
- Step 1: Write the proportion equation
974,481,605.40 : 1,461,722,408.10 = 867,343,099.80 : x - Step 2: Convert to fraction form
974,481,605.40/1,461,722,408.10 = 867,343,099.80/x - Step 3: Cross multiply
974,481,605.40x = 1,461,722,408.10 × 867,343,099.80 - Step 4: Simplify right side
974,481,605.40x = 1,267,814,844,488,574,464 - Step 5: Solve for x
x = 1,267,814,844,488,574,464/974,481,605.40 - Step 6: Final answer
x = 1,301,014,649.70
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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.