Finding the Fourth Proportional to 995,225,310.84, 1,373,684,130.30 and 577,672,117.14
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Solution
The fourth proportional to 995,225,310.84, 1,373,684,130.30 and 577,672,117.14 is: 797,346,099.61
Step by Step Solution
- Step 1: Write the proportion equation
995,225,310.84 : 1,373,684,130.30 = 577,672,117.14 : x - Step 2: Convert to fraction form
995,225,310.84/1,373,684,130.30 = 577,672,117.14/x - Step 3: Cross multiply
995,225,310.84x = 1,373,684,130.30 × 577,672,117.14 - Step 4: Simplify right side
995,225,310.84x = 793,539,019,832,020,608 - Step 5: Solve for x
x = 793,539,019,832,020,608/995,225,310.84 - Step 6: Final answer
x = 797,346,099.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.