Finding the Fourth Proportional to 432,939,114.93, 649,343,056.58 and 117,829,698.98
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Solution
The fourth proportional to 432,939,114.93, 649,343,056.58 and 117,829,698.98 is: 176,726,690.31
Step by Step Solution
- Step 1: Write the proportion equation
432,939,114.93 : 649,343,056.58 = 117,829,698.98 : x - Step 2: Convert to fraction form
432,939,114.93/649,343,056.58 = 117,829,698.98/x - Step 3: Cross multiply
432,939,114.93x = 649,343,056.58 × 117,829,698.98 - Step 4: Simplify right side
432,939,114.93x = 76,511,896,888,180,496 - Step 5: Solve for x
x = 76,511,896,888,180,496/432,939,114.93 - Step 6: Final answer
x = 176,726,690.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.