Finding the Fourth Proportional to 1,397,764,531,397.90, 2,094,793,329,293.40 and 717,815,419,219.68
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Solution
The fourth proportional to 1,397,764,531,397.90, 2,094,793,329,293.40 and 717,815,419,219.68 is: 1,075,771,289,132.31
Step by Step Solution
- Step 1: Write the proportion equation
1,397,764,531,397.90 : 2,094,793,329,293.40 = 717,815,419,219.68 : x - Step 2: Convert to fraction form
1,397,764,531,397.90/2,094,793,329,293.40 = 717,815,419,219.68/x - Step 3: Cross multiply
1,397,764,531,397.90x = 2,094,793,329,293.40 × 717,815,419,219.68 - Step 4: Simplify right side
1,397,764,531,397.90x = 1,503,674,951,845,331,167,346,688 - Step 5: Solve for x
x = 1,503,674,951,845,331,167,346,688/1,397,764,531,397.90 - Step 6: Final answer
x = 1,075,771,289,132.31
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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.