Finding the Fourth Proportional to 679,671,439.11, 937,367,104.19 and 574,339,220.55
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Solution
The fourth proportional to 679,671,439.11, 937,367,104.19 and 574,339,220.55 is: 792,098,447.88
Step by Step Solution
- Step 1: Write the proportion equation
679,671,439.11 : 937,367,104.19 = 574,339,220.55 : x - Step 2: Convert to fraction form
679,671,439.11/937,367,104.19 = 574,339,220.55/x - Step 3: Cross multiply
679,671,439.11x = 937,367,104.19 × 574,339,220.55 - Step 4: Simplify right side
679,671,439.11x = 538,366,691,986,823,488 - Step 5: Solve for x
x = 538,366,691,986,823,488/679,671,439.11 - Step 6: Final answer
x = 792,098,447.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.