Finding the Fourth Proportional to 977,772,100.64, 1,467,304,294.98 and 460,350,513.68
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Solution
The fourth proportional to 977,772,100.64, 1,467,304,294.98 and 460,350,513.68 is: 690,829,985.31
Step by Step Solution
- Step 1: Write the proportion equation
977,772,100.64 : 1,467,304,294.98 = 460,350,513.68 : x - Step 2: Convert to fraction form
977,772,100.64/1,467,304,294.98 = 460,350,513.68/x - Step 3: Cross multiply
977,772,100.64x = 1,467,304,294.98 × 460,350,513.68 - Step 4: Simplify right side
977,772,100.64x = 675,474,285,918,913,280 - Step 5: Solve for x
x = 675,474,285,918,913,280/977,772,100.64 - Step 6: Final answer
x = 690,829,985.31
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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.