Finding the Fourth Proportional to 706,758,687.88, 1,060,252,964.36 and 208,819,728.52
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Solution
The fourth proportional to 706,758,687.88, 1,060,252,964.36 and 208,819,728.52 is: 313,263,550.88
Step by Step Solution
- Step 1: Write the proportion equation
706,758,687.88 : 1,060,252,964.36 = 208,819,728.52 : x - Step 2: Convert to fraction form
706,758,687.88/1,060,252,964.36 = 208,819,728.52/x - Step 3: Cross multiply
706,758,687.88x = 1,060,252,964.36 × 208,819,728.52 - Step 4: Simplify right side
706,758,687.88x = 221,401,736,180,180,448 - Step 5: Solve for x
x = 221,401,736,180,180,448/706,758,687.88 - Step 6: Final answer
x = 313,263,550.88
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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.