Finding the Fourth Proportional to 648,048,924, 894,307,515.12 and 354,693,492
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Solution
The fourth proportional to 648,048,924, 894,307,515.12 and 354,693,492 is: 489,477,018.96
Step by Step Solution
- Step 1: Write the proportion equation
648,048,924 : 894,307,515.12 = 354,693,492 : x - Step 2: Convert to fraction form
648,048,924/894,307,515.12 = 354,693,492/x - Step 3: Cross multiply
648,048,924x = 894,307,515.12 × 354,693,492 - Step 4: Simplify right side
648,048,924x = 317,205,055,459,755,584 - Step 5: Solve for x
x = 317,205,055,459,755,584/648,048,924 - Step 6: Final answer
x = 489,477,018.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.