Finding the Fourth Proportional to 13,460,866,536, 18,575,653,597.92 and 7,520,463,652.80
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Solution
The fourth proportional to 13,460,866,536, 18,575,653,597.92 and 7,520,463,652.80 is: 10,378,048,644.68
Step by Step Solution
- Step 1: Write the proportion equation
13,460,866,536 : 18,575,653,597.92 = 7,520,463,652.80 : x - Step 2: Convert to fraction form
13,460,866,536/18,575,653,597.92 = 7,520,463,652.80/x - Step 3: Cross multiply
13,460,866,536x = 18,575,653,597.92 × 7,520,463,652.80 - Step 4: Simplify right side
13,460,866,536x = 139,697,527,710,160,896,000 - Step 5: Solve for x
x = 139,697,527,710,160,896,000/13,460,866,536 - Step 6: Final answer
x = 10,378,048,644.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.