Finding the Fourth Proportional to 8,972,173,346.61, 13,460,586,952.95 and 4,771,672,069.53
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Solution
The fourth proportional to 8,972,173,346.61, 13,460,586,952.95 and 4,771,672,069.53 is: 7,158,745,637.38
Step by Step Solution
- Step 1: Write the proportion equation
8,972,173,346.61 : 13,460,586,952.95 = 4,771,672,069.53 : x - Step 2: Convert to fraction form
8,972,173,346.61/13,460,586,952.95 = 4,771,672,069.53/x - Step 3: Cross multiply
8,972,173,346.61x = 13,460,586,952.95 × 4,771,672,069.53 - Step 4: Simplify right side
8,972,173,346.61x = 64,229,506,802,871,443,456 - Step 5: Solve for x
x = 64,229,506,802,871,443,456/8,972,173,346.61 - Step 6: Final answer
x = 7,158,745,637.38
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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.