Finding the Fourth Proportional to 695,334,631.40, 1,041,490,292.70 and 422,229,069.80
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Solution
The fourth proportional to 695,334,631.40, 1,041,490,292.70 and 422,229,069.80 is: 632,425,680.58
Step by Step Solution
- Step 1: Write the proportion equation
695,334,631.40 : 1,041,490,292.70 = 422,229,069.80 : x - Step 2: Convert to fraction form
695,334,631.40/1,041,490,292.70 = 422,229,069.80/x - Step 3: Cross multiply
695,334,631.40x = 1,041,490,292.70 × 422,229,069.80 - Step 4: Simplify right side
695,334,631.40x = 439,747,477,492,450,752 - Step 5: Solve for x
x = 439,747,477,492,450,752/695,334,631.40 - Step 6: Final answer
x = 632,425,680.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.