Finding the Fourth Proportional to 4,979,237,894.46, 6,871,369,718.93 and 2,721,223,729.98
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Solution
The fourth proportional to 4,979,237,894.46, 6,871,369,718.93 and 2,721,223,729.98 is: 3,755,300,456.20
Step by Step Solution
- Step 1: Write the proportion equation
4,979,237,894.46 : 6,871,369,718.93 = 2,721,223,729.98 : x - Step 2: Convert to fraction form
4,979,237,894.46/6,871,369,718.93 = 2,721,223,729.98/x - Step 3: Cross multiply
4,979,237,894.46x = 6,871,369,718.93 × 2,721,223,729.98 - Step 4: Simplify right side
4,979,237,894.46x = 18,698,534,336,604,712,960 - Step 5: Solve for x
x = 18,698,534,336,604,712,960/4,979,237,894.46 - Step 6: Final answer
x = 3,755,300,456.20
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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.