Finding the Fourth Proportional to 1,010,808,984,691.80, 1,394,103,041,302.20 and 888,612,446,439.70
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Solution
The fourth proportional to 1,010,808,984,691.80, 1,394,103,041,302.20 and 888,612,446,439.70 is: 1,225,570,145,182.57
Step by Step Solution
- Step 1: Write the proportion equation
1,010,808,984,691.80 : 1,394,103,041,302.20 = 888,612,446,439.70 : x - Step 2: Convert to fraction form
1,010,808,984,691.80/1,394,103,041,302.20 = 888,612,446,439.70/x - Step 3: Cross multiply
1,010,808,984,691.80x = 1,394,103,041,302.20 × 888,612,446,439.70 - Step 4: Simplify right side
1,010,808,984,691.80x = 1,238,817,314,120,574,036,869,120 - Step 5: Solve for x
x = 1,238,817,314,120,574,036,869,120/1,010,808,984,691.80 - Step 6: Final answer
x = 1,225,570,145,182.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.