Finding the Fourth Proportional to 974,480,348.80, 1,461,720,523.20 and 744,897,836.80
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Solution
The fourth proportional to 974,480,348.80, 1,461,720,523.20 and 744,897,836.80 is: 1,117,346,755.20
Step by Step Solution
- Step 1: Write the proportion equation
974,480,348.80 : 1,461,720,523.20 = 744,897,836.80 : x - Step 2: Convert to fraction form
974,480,348.80/1,461,720,523.20 = 744,897,836.80/x - Step 3: Cross multiply
974,480,348.80x = 1,461,720,523.20 × 744,897,836.80 - Step 4: Simplify right side
974,480,348.80x = 1,088,832,455,737,844,224 - Step 5: Solve for x
x = 1,088,832,455,737,844,224/974,480,348.80 - Step 6: Final answer
x = 1,117,346,755.20
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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.