Finding the Fourth Proportional to 405,627,698.08, 608,440,600.94 and 266,446,698.13
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Solution
The fourth proportional to 405,627,698.08, 608,440,600.94 and 266,446,698.13 is: 399,669,425.67
Step by Step Solution
- Step 1: Write the proportion equation
405,627,698.08 : 608,440,600.94 = 266,446,698.13 : x - Step 2: Convert to fraction form
405,627,698.08/608,440,600.94 = 266,446,698.13/x - Step 3: Cross multiply
405,627,698.08x = 608,440,600.94 × 266,446,698.13 - Step 4: Simplify right side
405,627,698.08x = 162,116,989,125,842,624 - Step 5: Solve for x
x = 162,116,989,125,842,624/405,627,698.08 - Step 6: Final answer
x = 399,669,425.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.