Finding the Fourth Proportional to 1,397,330,248.18, 2,095,773,249.61 and 464,575,513.63
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Solution
The fourth proportional to 1,397,330,248.18, 2,095,773,249.61 and 464,575,513.63 is: 696,789,420.51
Step by Step Solution
- Step 1: Write the proportion equation
1,397,330,248.18 : 2,095,773,249.61 = 464,575,513.63 : x - Step 2: Convert to fraction form
1,397,330,248.18/2,095,773,249.61 = 464,575,513.63/x - Step 3: Cross multiply
1,397,330,248.18x = 2,095,773,249.61 × 464,575,513.63 - Step 4: Simplify right side
1,397,330,248.18x = 973,644,933,889,579,904 - Step 5: Solve for x
x = 973,644,933,889,579,904/1,397,330,248.18 - Step 6: Final answer
x = 696,789,420.51
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1.5x scale
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.