Finding the Fourth Proportional to 283,537,813.80, 425,306,720.70 and 266,319,125.40
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Solution
The fourth proportional to 283,537,813.80, 425,306,720.70 and 266,319,125.40 is: 399,478,688.10
Step by Step Solution
- Step 1: Write the proportion equation
283,537,813.80 : 425,306,720.70 = 266,319,125.40 : x - Step 2: Convert to fraction form
283,537,813.80/425,306,720.70 = 266,319,125.40/x - Step 3: Cross multiply
283,537,813.80x = 425,306,720.70 × 266,319,125.40 - Step 4: Simplify right side
283,537,813.80x = 113,267,313,883,566,080 - Step 5: Solve for x
x = 113,267,313,883,566,080/283,537,813.80 - Step 6: Final answer
x = 399,478,688.10
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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.