Finding the Fourth Proportional to 651,119,816.20, 976,679,724.30 and 605,203,313.80
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Solution
The fourth proportional to 651,119,816.20, 976,679,724.30 and 605,203,313.80 is: 907,804,970.70
Step by Step Solution
- Step 1: Write the proportion equation
651,119,816.20 : 976,679,724.30 = 605,203,313.80 : x - Step 2: Convert to fraction form
651,119,816.20/976,679,724.30 = 605,203,313.80/x - Step 3: Cross multiply
651,119,816.20x = 976,679,724.30 × 605,203,313.80 - Step 4: Simplify right side
651,119,816.20x = 591,089,805,667,630,336 - Step 5: Solve for x
x = 591,089,805,667,630,336/651,119,816.20 - Step 6: Final answer
x = 907,804,970.70
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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.