Finding the Fourth Proportional to 1,274,449,014.66, 1,758,506,169.06 and 709,919,847.55
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Solution
The fourth proportional to 1,274,449,014.66, 1,758,506,169.06 and 709,919,847.55 is: 979,559,336.69
Step by Step Solution
- Step 1: Write the proportion equation
1,274,449,014.66 : 1,758,506,169.06 = 709,919,847.55 : x - Step 2: Convert to fraction form
1,274,449,014.66/1,758,506,169.06 = 709,919,847.55/x - Step 3: Cross multiply
1,274,449,014.66x = 1,758,506,169.06 × 709,919,847.55 - Step 4: Simplify right side
1,274,449,014.66x = 1,248,398,431,446,017,024 - Step 5: Solve for x
x = 1,248,398,431,446,017,024/1,274,449,014.66 - Step 6: Final answer
x = 979,559,336.69
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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.