Finding the Fourth Proportional to 453,698,413.80, 680,547,620.70 and 223,777,645.80
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Solution
The fourth proportional to 453,698,413.80, 680,547,620.70 and 223,777,645.80 is: 335,666,468.70
Step by Step Solution
- Step 1: Write the proportion equation
453,698,413.80 : 680,547,620.70 = 223,777,645.80 : x - Step 2: Convert to fraction form
453,698,413.80/680,547,620.70 = 223,777,645.80/x - Step 3: Cross multiply
453,698,413.80x = 680,547,620.70 × 223,777,645.80 - Step 4: Simplify right side
453,698,413.80x = 152,291,344,415,037,376 - Step 5: Solve for x
x = 152,291,344,415,037,376/453,698,413.80 - Step 6: Final answer
x = 335,666,468.70
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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.