Finding the Fourth Proportional to 1,486,668,155.81, 2,230,984,673.01 and 699,946,795.80
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Solution
The fourth proportional to 1,486,668,155.81, 2,230,984,673.01 and 699,946,795.80 is: 1,050,382,741.60
Step by Step Solution
- Step 1: Write the proportion equation
1,486,668,155.81 : 2,230,984,673.01 = 699,946,795.80 : x - Step 2: Convert to fraction form
1,486,668,155.81/2,230,984,673.01 = 699,946,795.80/x - Step 3: Cross multiply
1,486,668,155.81x = 2,230,984,673.01 × 699,946,795.80 - Step 4: Simplify right side
1,486,668,155.81x = 1,561,570,573,352,260,352 - Step 5: Solve for x
x = 1,561,570,573,352,260,352/1,486,668,155.81 - Step 6: Final answer
x = 1,050,382,741.60
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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.