Finding the Fourth Proportional to 497,664,252.60, 697,446,589.80 and 497,664,252.60
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Solution
The fourth proportional to 497,664,252.60, 697,446,589.80 and 497,664,252.60 is: 697,446,589.80
Step by Step Solution
- Step 1: Write the proportion equation
497,664,252.60 : 697,446,589.80 = 497,664,252.60 : x - Step 2: Convert to fraction form
497,664,252.60/697,446,589.80 = 497,664,252.60/x - Step 3: Cross multiply
497,664,252.60x = 697,446,589.80 × 497,664,252.60 - Step 4: Simplify right side
497,664,252.60x = 347,094,235,841,235,776 - Step 5: Solve for x
x = 347,094,235,841,235,776/497,664,252.60 - Step 6: Final answer
x = 697,446,589.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.