Finding the Fourth Proportional to 1,156,533,537.30, 1,734,965,027.98 and 358,919,585.85
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Solution
The fourth proportional to 1,156,533,537.30, 1,734,965,027.98 and 358,919,585.85 is: 538,430,498.74
Step by Step Solution
- Step 1: Write the proportion equation
1,156,533,537.30 : 1,734,965,027.98 = 358,919,585.85 : x - Step 2: Convert to fraction form
1,156,533,537.30/1,734,965,027.98 = 358,919,585.85/x - Step 3: Cross multiply
1,156,533,537.30x = 1,734,965,027.98 × 358,919,585.85 - Step 4: Simplify right side
1,156,533,537.30x = 622,712,929,304,630,272 - Step 5: Solve for x
x = 622,712,929,304,630,272/1,156,533,537.30 - Step 6: Final answer
x = 538,430,498.74
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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.