Finding the Fourth Proportional to 577,723,478.70, 797,258,400.66 and 330,210,147.36
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Solution
The fourth proportional to 577,723,478.70, 797,258,400.66 and 330,210,147.36 is: 455,690,003.39
Step by Step Solution
- Step 1: Write the proportion equation
577,723,478.70 : 797,258,400.66 = 330,210,147.36 : x - Step 2: Convert to fraction form
577,723,478.70/797,258,400.66 = 330,210,147.36/x - Step 3: Cross multiply
577,723,478.70x = 797,258,400.66 × 330,210,147.36 - Step 4: Simplify right side
577,723,478.70x = 263,262,813,965,936,512 - Step 5: Solve for x
x = 263,262,813,965,936,512/577,723,478.70 - Step 6: Final answer
x = 455,690,003.39
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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.