Finding the Fourth Proportional to 749,518,350.93, 1,034,367,646.80 and 414,990,879.75
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Solution
The fourth proportional to 749,518,350.93, 1,034,367,646.80 and 414,990,879.75 is: 572,705,310.28
Step by Step Solution
- Step 1: Write the proportion equation
749,518,350.93 : 1,034,367,646.80 = 414,990,879.75 : x - Step 2: Convert to fraction form
749,518,350.93/1,034,367,646.80 = 414,990,879.75/x - Step 3: Cross multiply
749,518,350.93x = 1,034,367,646.80 × 414,990,879.75 - Step 4: Simplify right side
749,518,350.93x = 429,253,139,730,469,248 - Step 5: Solve for x
x = 429,253,139,730,469,248/749,518,350.93 - Step 6: Final answer
x = 572,705,310.28
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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.