Finding the Fourth Proportional to 1,020,310,699.68, 1,530,708,904.80 and 330,217,954.56
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Solution
The fourth proportional to 1,020,310,699.68, 1,530,708,904.80 and 330,217,954.56 is: 495,405,530.62
Step by Step Solution
- Step 1: Write the proportion equation
1,020,310,699.68 : 1,530,708,904.80 = 330,217,954.56 : x - Step 2: Convert to fraction form
1,020,310,699.68/1,530,708,904.80 = 330,217,954.56/x - Step 3: Cross multiply
1,020,310,699.68x = 1,530,708,904.80 × 330,217,954.56 - Step 4: Simplify right side
1,020,310,699.68x = 505,467,563,569,833,728 - Step 5: Solve for x
x = 505,467,563,569,833,728/1,020,310,699.68 - Step 6: Final answer
x = 495,405,530.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.