Finding the Fourth Proportional to 446,889,926.88, 616,698,416.16 and 258,726,149.28
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Solution
The fourth proportional to 446,889,926.88, 616,698,416.16 and 258,726,149.28 is: 357,036,480.09
Step by Step Solution
- Step 1: Write the proportion equation
446,889,926.88 : 616,698,416.16 = 258,726,149.28 : x - Step 2: Convert to fraction form
446,889,926.88/616,698,416.16 = 258,726,149.28/x - Step 3: Cross multiply
446,889,926.88x = 616,698,416.16 × 258,726,149.28 - Step 4: Simplify right side
446,889,926.88x = 159,556,006,480,151,712 - Step 5: Solve for x
x = 159,556,006,480,151,712/446,889,926.88 - Step 6: Final answer
x = 357,036,480.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.