Finding the Fourth Proportional to 286,605,311.42, 429,277,815.48 and 236,857,359.98
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Solution
The fourth proportional to 286,605,311.42, 429,277,815.48 and 236,857,359.98 is: 354,765,267.85
Step by Step Solution
- Step 1: Write the proportion equation
286,605,311.42 : 429,277,815.48 = 236,857,359.98 : x - Step 2: Convert to fraction form
286,605,311.42/429,277,815.48 = 236,857,359.98/x - Step 3: Cross multiply
286,605,311.42x = 429,277,815.48 × 236,857,359.98 - Step 4: Simplify right side
286,605,311.42x = 101,677,610,072,574,384 - Step 5: Solve for x
x = 101,677,610,072,574,384/286,605,311.42 - Step 6: Final answer
x = 354,765,267.85
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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.