Finding the Fourth Proportional to 747,954,296.60, 1,121,931,444.90 and 732,648,795.80
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Solution
The fourth proportional to 747,954,296.60, 1,121,931,444.90 and 732,648,795.80 is: 1,098,973,193.70
Step by Step Solution
- Step 1: Write the proportion equation
747,954,296.60 : 1,121,931,444.90 = 732,648,795.80 : x - Step 2: Convert to fraction form
747,954,296.60/1,121,931,444.90 = 732,648,795.80/x - Step 3: Cross multiply
747,954,296.60x = 1,121,931,444.90 × 732,648,795.80 - Step 4: Simplify right side
747,954,296.60x = 821,981,722,076,139,008 - Step 5: Solve for x
x = 821,981,722,076,139,008/747,954,296.60 - Step 6: Final answer
x = 1,098,973,193.70
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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.