Finding the Fourth Proportional to 651,840,544.80, 977,934,027.60 and 283,217,320.80
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Solution
The fourth proportional to 651,840,544.80, 977,934,027.60 and 283,217,320.80 is: 424,901,239.15
Step by Step Solution
- Step 1: Write the proportion equation
651,840,544.80 : 977,934,027.60 = 283,217,320.80 : x - Step 2: Convert to fraction form
651,840,544.80/977,934,027.60 = 283,217,320.80/x - Step 3: Cross multiply
651,840,544.80x = 977,934,027.60 × 283,217,320.80 - Step 4: Simplify right side
651,840,544.80x = 276,967,855,216,025,280 - Step 5: Solve for x
x = 276,967,855,216,025,280/651,840,544.80 - Step 6: Final answer
x = 424,901,239.15
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1.5x scale
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.