Finding the Fourth Proportional to 5,527,545,549.99, 7,628,012,295.62 and 3,021,429,270.03
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Solution
The fourth proportional to 5,527,545,549.99, 7,628,012,295.62 and 3,021,429,270.03 is: 4,169,572,084.70
Step by Step Solution
- Step 1: Write the proportion equation
5,527,545,549.99 : 7,628,012,295.62 = 3,021,429,270.03 : x - Step 2: Convert to fraction form
5,527,545,549.99/7,628,012,295.62 = 3,021,429,270.03/x - Step 3: Cross multiply
5,527,545,549.99x = 7,628,012,295.62 × 3,021,429,270.03 - Step 4: Simplify right side
5,527,545,549.99x = 23,047,499,622,119,895,040 - Step 5: Solve for x
x = 23,047,499,622,119,895,040/5,527,545,549.99 - Step 6: Final answer
x = 4,169,572,084.70
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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.