Finding the Fourth Proportional to 391,451,807.39, 586,789,859.61 and 183,818,533.97
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Solution
The fourth proportional to 391,451,807.39, 586,789,859.61 and 183,818,533.97 is: 275,545,673.07
Step by Step Solution
- Step 1: Write the proportion equation
391,451,807.39 : 586,789,859.61 = 183,818,533.97 : x - Step 2: Convert to fraction form
391,451,807.39/586,789,859.61 = 183,818,533.97/x - Step 3: Cross multiply
391,451,807.39x = 586,789,859.61 × 183,818,533.97 - Step 4: Simplify right side
391,451,807.39x = 107,862,851,739,038,368 - Step 5: Solve for x
x = 107,862,851,739,038,368/391,451,807.39 - Step 6: Final answer
x = 275,545,673.07
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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.