Finding the Fourth Proportional to 453,496,729.05, 625,845,995.91 and 255,326,316.75
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Solution
The fourth proportional to 453,496,729.05, 625,845,995.91 and 255,326,316.75 is: 352,361,864.49
Step by Step Solution
- Step 1: Write the proportion equation
453,496,729.05 : 625,845,995.91 = 255,326,316.75 : x - Step 2: Convert to fraction form
453,496,729.05/625,845,995.91 = 255,326,316.75/x - Step 3: Cross multiply
453,496,729.05x = 625,845,995.91 × 255,326,316.75 - Step 4: Simplify right side
453,496,729.05x = 159,794,952,988,435,840 - Step 5: Solve for x
x = 159,794,952,988,435,840/453,496,729.05 - Step 6: Final answer
x = 352,361,864.49
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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.