Finding the Fourth Proportional to 7,456,187,785.32, 10,289,757,289.95 and 4,069,314,306.09
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Solution
The fourth proportional to 7,456,187,785.32, 10,289,757,289.95 and 4,069,314,306.09 is: 5,615,772,798.62
Step by Step Solution
- Step 1: Write the proportion equation
7,456,187,785.32 : 10,289,757,289.95 = 4,069,314,306.09 : x - Step 2: Convert to fraction form
7,456,187,785.32/10,289,757,289.95 = 4,069,314,306.09/x - Step 3: Cross multiply
7,456,187,785.32x = 10,289,757,289.95 × 4,069,314,306.09 - Step 4: Simplify right side
7,456,187,785.32x = 41,872,256,546,187,411,456 - Step 5: Solve for x
x = 41,872,256,546,187,411,456/7,456,187,785.32 - Step 6: Final answer
x = 5,615,772,798.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.