Finding the Fourth Proportional to 3,356,927,999.80, 5,035,391,999.70 and 3,141,937,151.80
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Solution
The fourth proportional to 3,356,927,999.80, 5,035,391,999.70 and 3,141,937,151.80 is: 4,712,905,727.70
Step by Step Solution
- Step 1: Write the proportion equation
3,356,927,999.80 : 5,035,391,999.70 = 3,141,937,151.80 : x - Step 2: Convert to fraction form
3,356,927,999.80/5,035,391,999.70 = 3,141,937,151.80/x - Step 3: Cross multiply
3,356,927,999.80x = 5,035,391,999.70 × 3,141,937,151.80 - Step 4: Simplify right side
3,356,927,999.80x = 15,820,885,197,733,924,864 - Step 5: Solve for x
x = 15,820,885,197,733,924,864/3,356,927,999.80 - Step 6: Final answer
x = 4,712,905,727.70
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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.