Finding the Fourth Proportional to 999,758,609.18, 1,379,561,847.98 and 553,710,287.42
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Solution
The fourth proportional to 999,758,609.18, 1,379,561,847.98 and 553,710,287.42 is: 764,062,024.92
Step by Step Solution
- Step 1: Write the proportion equation
999,758,609.18 : 1,379,561,847.98 = 553,710,287.42 : x - Step 2: Convert to fraction form
999,758,609.18/1,379,561,847.98 = 553,710,287.42/x - Step 3: Cross multiply
999,758,609.18x = 1,379,561,847.98 × 553,710,287.42 - Step 4: Simplify right side
999,758,609.18x = 763,877,587,358,672,128 - Step 5: Solve for x
x = 763,877,587,358,672,128/999,758,609.18 - Step 6: Final answer
x = 764,062,024.92
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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.