Finding the Fourth Proportional to 885,163,374.20, 1,327,745,061.30 and 626,670,471.80
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Solution
The fourth proportional to 885,163,374.20, 1,327,745,061.30 and 626,670,471.80 is: 940,005,707.70
Step by Step Solution
- Step 1: Write the proportion equation
885,163,374.20 : 1,327,745,061.30 = 626,670,471.80 : x - Step 2: Convert to fraction form
885,163,374.20/1,327,745,061.30 = 626,670,471.80/x - Step 3: Cross multiply
885,163,374.20x = 1,327,745,061.30 × 626,670,471.80 - Step 4: Simplify right side
885,163,374.20x = 832,058,623,994,990,848 - Step 5: Solve for x
x = 832,058,623,994,990,848/885,163,374.20 - Step 6: Final answer
x = 940,005,707.70
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Double scale
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Similar ratio
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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.