Finding the Fourth Proportional to 4,211,539,123.99, 6,317,697,039.38 and 1,375,348,248.12
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Solution
The fourth proportional to 4,211,539,123.99, 6,317,697,039.38 and 1,375,348,248.12 is: 2,063,149,195.45
Step by Step Solution
- Step 1: Write the proportion equation
4,211,539,123.99 : 6,317,697,039.38 = 1,375,348,248.12 : x - Step 2: Convert to fraction form
4,211,539,123.99/6,317,697,039.38 = 1,375,348,248.12/x - Step 3: Cross multiply
4,211,539,123.99x = 6,317,697,039.38 × 1,375,348,248.12 - Step 4: Simplify right side
4,211,539,123.99x = 8,689,033,555,264,193,536 - Step 5: Solve for x
x = 8,689,033,555,264,193,536/4,211,539,123.99 - Step 6: Final answer
x = 2,063,149,195.45
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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.