Finding the Fourth Proportional to 945,138,089.16, 1,417,695,729.75 and 245,568,323.09
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Solution
The fourth proportional to 945,138,089.16, 1,417,695,729.75 and 245,568,323.09 is: 368,349,521.62
Step by Step Solution
- Step 1: Write the proportion equation
945,138,089.16 : 1,417,695,729.75 = 245,568,323.09 : x - Step 2: Convert to fraction form
945,138,089.16/1,417,695,729.75 = 245,568,323.09/x - Step 3: Cross multiply
945,138,089.16x = 1,417,695,729.75 × 245,568,323.09 - Step 4: Simplify right side
945,138,089.16x = 348,141,163,010,105,536 - Step 5: Solve for x
x = 348,141,163,010,105,536/945,138,089.16 - Step 6: Final answer
x = 368,349,521.62
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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.