Finding the Fourth Proportional to 4,292,352,002.80, 6,438,528,004.20 and 2,986,282,601.20
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Solution
The fourth proportional to 4,292,352,002.80, 6,438,528,004.20 and 2,986,282,601.20 is: 4,479,423,901.80
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,002.80 : 6,438,528,004.20 = 2,986,282,601.20 : x - Step 2: Convert to fraction form
4,292,352,002.80/6,438,528,004.20 = 2,986,282,601.20/x - Step 3: Cross multiply
4,292,352,002.80x = 6,438,528,004.20 × 2,986,282,601.20 - Step 4: Simplify right side
4,292,352,002.80x = 19,227,264,156,281,417,728 - Step 5: Solve for x
x = 19,227,264,156,281,417,728/4,292,352,002.80 - Step 6: Final answer
x = 4,479,423,901.80
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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.