Finding the Fourth Proportional to 3,155,895,126.80, 4,733,842,690.20 and 1,316,967,549.20
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Solution
The fourth proportional to 3,155,895,126.80, 4,733,842,690.20 and 1,316,967,549.20 is: 1,975,451,323.80
Step by Step Solution
- Step 1: Write the proportion equation
3,155,895,126.80 : 4,733,842,690.20 = 1,316,967,549.20 : x - Step 2: Convert to fraction form
3,155,895,126.80/4,733,842,690.20 = 1,316,967,549.20/x - Step 3: Cross multiply
3,155,895,126.80x = 4,733,842,690.20 × 1,316,967,549.20 - Step 4: Simplify right side
3,155,895,126.80x = 6,234,317,206,011,028,480 - Step 5: Solve for x
x = 6,234,317,206,011,028,480/3,155,895,126.80 - Step 6: Final answer
x = 1,975,451,323.80
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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.