Finding the Fourth Proportional to 817,227,296.85, 1,127,797,596.41 and 445,973,257.65
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Solution
The fourth proportional to 817,227,296.85, 1,127,797,596.41 and 445,973,257.65 is: 615,456,152.75
Step by Step Solution
- Step 1: Write the proportion equation
817,227,296.85 : 1,127,797,596.41 = 445,973,257.65 : x - Step 2: Convert to fraction form
817,227,296.85/1,127,797,596.41 = 445,973,257.65/x - Step 3: Cross multiply
817,227,296.85x = 1,127,797,596.41 × 445,973,257.65 - Step 4: Simplify right side
817,227,296.85x = 502,967,568,038,577,728 - Step 5: Solve for x
x = 502,967,568,038,577,728/817,227,296.85 - Step 6: Final answer
x = 615,456,152.75
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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.