Finding the Fourth Proportional to 1,537,293,965.32, 2,306,643,631.26 and 836,736,629.32
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Solution
The fourth proportional to 1,537,293,965.32, 2,306,643,631.26 and 836,736,629.32 is: 1,255,487,408.79
Step by Step Solution
- Step 1: Write the proportion equation
1,537,293,965.32 : 2,306,643,631.26 = 836,736,629.32 : x - Step 2: Convert to fraction form
1,537,293,965.32/2,306,643,631.26 = 836,736,629.32/x - Step 3: Cross multiply
1,537,293,965.32x = 2,306,643,631.26 × 836,736,629.32 - Step 4: Simplify right side
1,537,293,965.32x = 1,930,053,217,062,937,600 - Step 5: Solve for x
x = 1,930,053,217,062,937,600/1,537,293,965.32 - Step 6: Final answer
x = 1,255,487,408.79
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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.