Finding the Fourth Proportional to 403,178,651.68, 604,856,177.52 and 130,576,974.88
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Solution
The fourth proportional to 403,178,651.68, 604,856,177.52 and 130,576,974.88 is: 195,894,027.55
Step by Step Solution
- Step 1: Write the proportion equation
403,178,651.68 : 604,856,177.52 = 130,576,974.88 : x - Step 2: Convert to fraction form
403,178,651.68/604,856,177.52 = 130,576,974.88/x - Step 3: Cross multiply
403,178,651.68x = 604,856,177.52 × 130,576,974.88 - Step 4: Simplify right side
403,178,651.68x = 78,980,289,898,041,856 - Step 5: Solve for x
x = 78,980,289,898,041,856/403,178,651.68 - Step 6: Final answer
x = 195,894,027.55
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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.