Finding the Fourth Proportional to 7,668,823,787.80, 11,503,235,681.70 and 3,306,756,059.80
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Solution
The fourth proportional to 7,668,823,787.80, 11,503,235,681.70 and 3,306,756,059.80 is: 4,960,134,089.70
Step by Step Solution
- Step 1: Write the proportion equation
7,668,823,787.80 : 11,503,235,681.70 = 3,306,756,059.80 : x - Step 2: Convert to fraction form
7,668,823,787.80/11,503,235,681.70 = 3,306,756,059.80/x - Step 3: Cross multiply
7,668,823,787.80x = 11,503,235,681.70 × 3,306,756,059.80 - Step 4: Simplify right side
7,668,823,787.80x = 38,038,394,297,769,066,496 - Step 5: Solve for x
x = 38,038,394,297,769,066,496/7,668,823,787.80 - Step 6: Final answer
x = 4,960,134,089.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.