Finding the Fourth Proportional to 1,579,184,125.31, 2,179,307,342.18 and 864,749,683.55
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Solution
The fourth proportional to 1,579,184,125.31, 2,179,307,342.18 and 864,749,683.55 is: 1,193,372,770.35
Step by Step Solution
- Step 1: Write the proportion equation
1,579,184,125.31 : 2,179,307,342.18 = 864,749,683.55 : x - Step 2: Convert to fraction form
1,579,184,125.31/2,179,307,342.18 = 864,749,683.55/x - Step 3: Cross multiply
1,579,184,125.31x = 2,179,307,342.18 × 864,749,683.55 - Step 4: Simplify right side
1,579,184,125.31x = 1,884,555,334,508,346,368 - Step 5: Solve for x
x = 1,884,555,334,508,346,368/1,579,184,125.31 - Step 6: Final answer
x = 1,193,372,770.35
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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.