Finding the Fourth Proportional to 280,243,583.74, 420,185,750.01 and 116,594,864.38
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Solution
The fourth proportional to 280,243,583.74, 420,185,750.01 and 116,594,864.38 is: 174,817,563.65
Step by Step Solution
- Step 1: Write the proportion equation
280,243,583.74 : 420,185,750.01 = 116,594,864.38 : x - Step 2: Convert to fraction form
280,243,583.74/420,185,750.01 = 116,594,864.38/x - Step 3: Cross multiply
280,243,583.74x = 420,185,750.01 × 116,594,864.38 - Step 4: Simplify right side
280,243,583.74x = 48,991,500,536,824,528 - Step 5: Solve for x
x = 48,991,500,536,824,528/280,243,583.74 - Step 6: Final answer
x = 174,817,563.65
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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.