Finding the Fourth Proportional to 498,282,904.80, 747,424,357.20 and 469,585,090.80
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Solution
The fourth proportional to 498,282,904.80, 747,424,357.20 and 469,585,090.80 is: 704,377,636.20
Step by Step Solution
- Step 1: Write the proportion equation
498,282,904.80 : 747,424,357.20 = 469,585,090.80 : x - Step 2: Convert to fraction form
498,282,904.80/747,424,357.20 = 469,585,090.80/x - Step 3: Cross multiply
498,282,904.80x = 747,424,357.20 × 469,585,090.80 - Step 4: Simplify right side
498,282,904.80x = 350,979,334,641,893,696 - Step 5: Solve for x
x = 350,979,334,641,893,696/498,282,904.80 - Step 6: Final answer
x = 704,377,636.20
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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.