Finding the Fourth Proportional to 542,284,981.52, 748,435,077.18 and 330,714,555.08
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Solution
The fourth proportional to 542,284,981.52, 748,435,077.18 and 330,714,555.08 is: 456,435,973.69
Step by Step Solution
- Step 1: Write the proportion equation
542,284,981.52 : 748,435,077.18 = 330,714,555.08 : x - Step 2: Convert to fraction form
542,284,981.52/748,435,077.18 = 330,714,555.08/x - Step 3: Cross multiply
542,284,981.52x = 748,435,077.18 × 330,714,555.08 - Step 4: Simplify right side
542,284,981.52x = 247,518,373,555,849,120 - Step 5: Solve for x
x = 247,518,373,555,849,120/542,284,981.52 - Step 6: Final answer
x = 456,435,973.69
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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.