Finding the Fourth Proportional to 455,343,292.53, 628,373,610.50 and 246,499,280.19
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Solution
The fourth proportional to 455,343,292.53, 628,373,610.50 and 246,499,280.19 is: 340,168,934.56
Step by Step Solution
- Step 1: Write the proportion equation
455,343,292.53 : 628,373,610.50 = 246,499,280.19 : x - Step 2: Convert to fraction form
455,343,292.53/628,373,610.50 = 246,499,280.19/x - Step 3: Cross multiply
455,343,292.53x = 628,373,610.50 × 246,499,280.19 - Step 4: Simplify right side
455,343,292.53x = 154,893,642,677,408,928 - Step 5: Solve for x
x = 154,893,642,677,408,928/455,343,292.53 - Step 6: Final answer
x = 340,168,934.56
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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.