Finding the Fourth Proportional to 2,835,290,756.39, 3,912,701,952.98 and 1,565,132,477.99
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Solution
The fourth proportional to 2,835,290,756.39, 3,912,701,952.98 and 1,565,132,477.99 is: 2,159,883,211.09
Step by Step Solution
- Step 1: Write the proportion equation
2,835,290,756.39 : 3,912,701,952.98 = 1,565,132,477.99 : x - Step 2: Convert to fraction form
2,835,290,756.39/3,912,701,952.98 = 1,565,132,477.99/x - Step 3: Cross multiply
2,835,290,756.39x = 3,912,701,952.98 × 1,565,132,477.99 - Step 4: Simplify right side
2,835,290,756.39x = 6,123,896,903,288,406,016 - Step 5: Solve for x
x = 6,123,896,903,288,406,016/2,835,290,756.39 - Step 6: Final answer
x = 2,159,883,211.09
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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.