Finding the Fourth Proportional to 1,119,306,096.16, 1,679,174,345.04 and 429,159,524.92
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Solution
The fourth proportional to 1,119,306,096.16, 1,679,174,345.04 and 429,159,524.92 is: 643,821,798.74
Step by Step Solution
- Step 1: Write the proportion equation
1,119,306,096.16 : 1,679,174,345.04 = 429,159,524.92 : x - Step 2: Convert to fraction form
1,119,306,096.16/1,679,174,345.04 = 429,159,524.92/x - Step 3: Cross multiply
1,119,306,096.16x = 1,679,174,345.04 × 429,159,524.92 - Step 4: Simplify right side
1,119,306,096.16x = 720,633,664,175,218,560 - Step 5: Solve for x
x = 720,633,664,175,218,560/1,119,306,096.16 - Step 6: Final answer
x = 643,821,798.74
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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.