Finding the Fourth Proportional to 1,620,307,819.60, 2,430,528,084.60 and 471,450,475.60
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Solution
The fourth proportional to 1,620,307,819.60, 2,430,528,084.60 and 471,450,475.60 is: 707,195,020.34
Step by Step Solution
- Step 1: Write the proportion equation
1,620,307,819.60 : 2,430,528,084.60 = 471,450,475.60 : x - Step 2: Convert to fraction form
1,620,307,819.60/2,430,528,084.60 = 471,450,475.60/x - Step 3: Cross multiply
1,620,307,819.60x = 2,430,528,084.60 × 471,450,475.60 - Step 4: Simplify right side
1,620,307,819.60x = 1,145,873,621,443,827,072 - Step 5: Solve for x
x = 1,145,873,621,443,827,072/1,620,307,819.60 - Step 6: Final answer
x = 707,195,020.34
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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.