Finding the Fourth Proportional to 1,301,268,548.10, 1,795,700,231.14 and 706,539,420.39
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Solution
The fourth proportional to 1,301,268,548.10, 1,795,700,231.14 and 706,539,420.39 is: 974,997,053.72
Step by Step Solution
- Step 1: Write the proportion equation
1,301,268,548.10 : 1,795,700,231.14 = 706,539,420.39 : x - Step 2: Convert to fraction form
1,301,268,548.10/1,795,700,231.14 = 706,539,420.39/x - Step 3: Cross multiply
1,301,268,548.10x = 1,795,700,231.14 × 706,539,420.39 - Step 4: Simplify right side
1,301,268,548.10x = 1,268,733,000,500,311,808 - Step 5: Solve for x
x = 1,268,733,000,500,311,808/1,301,268,548.10 - Step 6: Final answer
x = 974,997,053.72
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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.