Finding the Fourth Proportional to 3,316,236,421.20, 4,974,354,631.80 and 1,018,223,134.80
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Solution
The fourth proportional to 3,316,236,421.20, 4,974,354,631.80 and 1,018,223,134.80 is: 1,527,334,702.20
Step by Step Solution
- Step 1: Write the proportion equation
3,316,236,421.20 : 4,974,354,631.80 = 1,018,223,134.80 : x - Step 2: Convert to fraction form
3,316,236,421.20/4,974,354,631.80 = 1,018,223,134.80/x - Step 3: Cross multiply
3,316,236,421.20x = 4,974,354,631.80 × 1,018,223,134.80 - Step 4: Simplify right side
3,316,236,421.20x = 5,065,002,966,798,296,064 - Step 5: Solve for x
x = 5,065,002,966,798,296,064/3,316,236,421.20 - Step 6: Final answer
x = 1,527,334,702.20
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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.