Finding the Fourth Proportional to 927,731,116.20, 1,392,605,056.62 and 375,413,757.96
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Solution
The fourth proportional to 927,731,116.20, 1,392,605,056.62 and 375,413,757.96 is: 563,528,686.85
Step by Step Solution
- Step 1: Write the proportion equation
927,731,116.20 : 1,392,605,056.62 = 375,413,757.96 : x - Step 2: Convert to fraction form
927,731,116.20/1,392,605,056.62 = 375,413,757.96/x - Step 3: Cross multiply
927,731,116.20x = 1,392,605,056.62 × 375,413,757.96 - Step 4: Simplify right side
927,731,116.20x = 522,803,097,659,812,672 - Step 5: Solve for x
x = 522,803,097,659,812,672/927,731,116.20 - Step 6: Final answer
x = 563,528,686.85
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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.