Finding the Fourth Proportional to 283,827,246.60, 425,740,869.90 and 79,354,993.80
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Solution
The fourth proportional to 283,827,246.60, 425,740,869.90 and 79,354,993.80 is: 119,032,490.70
Step by Step Solution
- Step 1: Write the proportion equation
283,827,246.60 : 425,740,869.90 = 79,354,993.80 : x - Step 2: Convert to fraction form
283,827,246.60/425,740,869.90 = 79,354,993.80/x - Step 3: Cross multiply
283,827,246.60x = 425,740,869.90 × 79,354,993.80 - Step 4: Simplify right side
283,827,246.60x = 33,784,664,091,321,104 - Step 5: Solve for x
x = 33,784,664,091,321,104/283,827,246.60 - Step 6: Final answer
x = 119,032,490.70
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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.