Finding the Fourth Proportional to 417,366,798.07, 626,171,364.91 and 168,243,490.12
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Solution
The fourth proportional to 417,366,798.07, 626,171,364.91 and 168,243,490.12 is: 252,414,078.77
Step by Step Solution
- Step 1: Write the proportion equation
417,366,798.07 : 626,171,364.91 = 168,243,490.12 : x - Step 2: Convert to fraction form
417,366,798.07/626,171,364.91 = 168,243,490.12/x - Step 3: Cross multiply
417,366,798.07x = 626,171,364.91 × 168,243,490.12 - Step 4: Simplify right side
417,366,798.07x = 105,349,255,842,111,040 - Step 5: Solve for x
x = 105,349,255,842,111,040/417,366,798.07 - Step 6: Final answer
x = 252,414,078.77
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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.