Finding the Fourth Proportional to 472,118,635.90, 708,177,953.85 and 268,045,291.90
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Solution
The fourth proportional to 472,118,635.90, 708,177,953.85 and 268,045,291.90 is: 402,067,937.85
Step by Step Solution
- Step 1: Write the proportion equation
472,118,635.90 : 708,177,953.85 = 268,045,291.90 : x - Step 2: Convert to fraction form
472,118,635.90/708,177,953.85 = 268,045,291.90/x - Step 3: Cross multiply
472,118,635.90x = 708,177,953.85 × 268,045,291.90 - Step 4: Simplify right side
472,118,635.90x = 189,823,766,356,868,000 - Step 5: Solve for x
x = 189,823,766,356,868,000/472,118,635.90 - Step 6: Final answer
x = 402,067,937.85
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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.