Finding the Fourth Proportional to 577,723,454.24, 797,258,366.92 and 330,210,122.90
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Solution
The fourth proportional to 577,723,454.24, 797,258,366.92 and 330,210,122.90 is: 455,689,969.64
Step by Step Solution
- Step 1: Write the proportion equation
577,723,454.24 : 797,258,366.92 = 330,210,122.90 : x - Step 2: Convert to fraction form
577,723,454.24/797,258,366.92 = 330,210,122.90/x - Step 3: Cross multiply
577,723,454.24x = 797,258,366.92 × 330,210,122.90 - Step 4: Simplify right side
577,723,454.24x = 263,262,783,319,720,160 - Step 5: Solve for x
x = 263,262,783,319,720,160/577,723,454.24 - Step 6: Final answer
x = 455,689,969.64
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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.