Finding the Fourth Proportional to 1,180,877,284.80, 1,770,630,637.12 and 559,087,296.64
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Solution
The fourth proportional to 1,180,877,284.80, 1,770,630,637.12 and 559,087,296.64 is: 838,306,493.82
Step by Step Solution
- Step 1: Write the proportion equation
1,180,877,284.80 : 1,770,630,637.12 = 559,087,296.64 : x - Step 2: Convert to fraction form
1,180,877,284.80/1,770,630,637.12 = 559,087,296.64/x - Step 3: Cross multiply
1,180,877,284.80x = 1,770,630,637.12 × 559,087,296.64 - Step 4: Simplify right side
1,180,877,284.80x = 989,937,096,255,381,504 - Step 5: Solve for x
x = 989,937,096,255,381,504/1,180,877,284.80 - Step 6: Final answer
x = 838,306,493.82
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1.5x scale
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.