Finding the Fourth Proportional to 1,299,276,461.64, 1,949,029,271.82 and 366,607,489.08
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Solution
The fourth proportional to 1,299,276,461.64, 1,949,029,271.82 and 366,607,489.08 is: 549,943,563.65
Step by Step Solution
- Step 1: Write the proportion equation
1,299,276,461.64 : 1,949,029,271.82 = 366,607,489.08 : x - Step 2: Convert to fraction form
1,299,276,461.64/1,949,029,271.82 = 366,607,489.08/x - Step 3: Cross multiply
1,299,276,461.64x = 1,949,029,271.82 × 366,607,489.08 - Step 4: Simplify right side
1,299,276,461.64x = 714,528,727,485,350,912 - Step 5: Solve for x
x = 714,528,727,485,350,912/1,299,276,461.64 - Step 6: Final answer
x = 549,943,563.65
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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.