Finding the Fourth Proportional to 5,127,803,663.04, 7,076,369,054.88 and 2,780,960,207.04
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Solution
The fourth proportional to 5,127,803,663.04, 7,076,369,054.88 and 2,780,960,207.04 is: 3,837,725,085.65
Step by Step Solution
- Step 1: Write the proportion equation
5,127,803,663.04 : 7,076,369,054.88 = 2,780,960,207.04 : x - Step 2: Convert to fraction form
5,127,803,663.04/7,076,369,054.88 = 2,780,960,207.04/x - Step 3: Cross multiply
5,127,803,663.04x = 7,076,369,054.88 × 2,780,960,207.04 - Step 4: Simplify right side
5,127,803,663.04x = 19,679,100,751,950,532,608 - Step 5: Solve for x
x = 19,679,100,751,950,532,608/5,127,803,663.04 - Step 6: Final answer
x = 3,837,725,085.65
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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.