Finding the Fourth Proportional to 497,940,201.60, 746,406,417.60 and 293,362,972.80
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Solution
The fourth proportional to 497,940,201.60, 746,406,417.60 and 293,362,972.80 is: 439,747,593.95
Step by Step Solution
- Step 1: Write the proportion equation
497,940,201.60 : 746,406,417.60 = 293,362,972.80 : x - Step 2: Convert to fraction form
497,940,201.60/746,406,417.60 = 293,362,972.80/x - Step 3: Cross multiply
497,940,201.60x = 746,406,417.60 × 293,362,972.80 - Step 4: Simplify right side
497,940,201.60x = 218,968,005,584,134,272 - Step 5: Solve for x
x = 218,968,005,584,134,272/497,940,201.60 - Step 6: Final answer
x = 439,747,593.95
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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.