Finding the Fourth Proportional to 475,535,515.60, 656,243,764.96 and 266,687,174.26
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Solution
The fourth proportional to 475,535,515.60, 656,243,764.96 and 266,687,174.26 is: 368,030,966.27
Step by Step Solution
- Step 1: Write the proportion equation
475,535,515.60 : 656,243,764.96 = 266,687,174.26 : x - Step 2: Convert to fraction form
475,535,515.60/656,243,764.96 = 266,687,174.26/x - Step 3: Cross multiply
475,535,515.60x = 656,243,764.96 × 266,687,174.26 - Step 4: Simplify right side
475,535,515.60x = 175,011,795,302,926,016 - Step 5: Solve for x
x = 175,011,795,302,926,016/475,535,515.60 - Step 6: Final answer
x = 368,030,966.27
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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.