Finding the Fourth Proportional to 982,050,748.80, 1,357,002,782.71 and 699,302,306.97
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Solution
The fourth proportional to 982,050,748.80, 1,357,002,782.71 and 699,302,306.97 is: 966,299,529.50
Step by Step Solution
- Step 1: Write the proportion equation
982,050,748.80 : 1,357,002,782.71 = 699,302,306.97 : x - Step 2: Convert to fraction form
982,050,748.80/1,357,002,782.71 = 699,302,306.97/x - Step 3: Cross multiply
982,050,748.80x = 1,357,002,782.71 × 699,302,306.97 - Step 4: Simplify right side
982,050,748.80x = 948,955,176,513,812,736 - Step 5: Solve for x
x = 948,955,176,513,812,736/982,050,748.80 - Step 6: Final answer
x = 966,299,529.50
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1.5x scale
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.