Finding the Fourth Proportional to 4,272,427,279.20, 6,403,539,085.20 and 1,785,283,399.20
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Solution
The fourth proportional to 4,272,427,279.20, 6,403,539,085.20 and 1,785,283,399.20 is: 2,675,793,238.33
Step by Step Solution
- Step 1: Write the proportion equation
4,272,427,279.20 : 6,403,539,085.20 = 1,785,283,399.20 : x - Step 2: Convert to fraction form
4,272,427,279.20/6,403,539,085.20 = 1,785,283,399.20/x - Step 3: Cross multiply
4,272,427,279.20x = 6,403,539,085.20 × 1,785,283,399.20 - Step 4: Simplify right side
4,272,427,279.20x = 11,432,132,024,935,913,472 - Step 5: Solve for x
x = 11,432,132,024,935,913,472/4,272,427,279.20 - Step 6: Final answer
x = 2,675,793,238.33
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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.