Finding the Fourth Proportional to 749,518,596.54, 1,034,367,986.34 and 414,991,125.90
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Solution
The fourth proportional to 749,518,596.54, 1,034,367,986.34 and 414,991,125.90 is: 572,705,650.30
Step by Step Solution
- Step 1: Write the proportion equation
749,518,596.54 : 1,034,367,986.34 = 414,991,125.90 : x - Step 2: Convert to fraction form
749,518,596.54/1,034,367,986.34 = 414,991,125.90/x - Step 3: Cross multiply
749,518,596.54x = 1,034,367,986.34 × 414,991,125.90 - Step 4: Simplify right side
749,518,596.54x = 429,253,535,246,152,384 - Step 5: Solve for x
x = 429,253,535,246,152,384/749,518,596.54 - Step 6: Final answer
x = 572,705,650.30
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Double scale
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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.