Finding the Fourth Proportional to 5,246,639,517.52, 7,871,337,616.62 and 1,885,549,844.18
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Solution
The fourth proportional to 5,246,639,517.52, 7,871,337,616.62 and 1,885,549,844.18 is: 2,828,820,117.51
Step by Step Solution
- Step 1: Write the proportion equation
5,246,639,517.52 : 7,871,337,616.62 = 1,885,549,844.18 : x - Step 2: Convert to fraction form
5,246,639,517.52/7,871,337,616.62 = 1,885,549,844.18/x - Step 3: Cross multiply
5,246,639,517.52x = 7,871,337,616.62 × 1,885,549,844.18 - Step 4: Simplify right side
5,246,639,517.52x = 14,841,799,416,506,013,696 - Step 5: Solve for x
x = 14,841,799,416,506,013,696/5,246,639,517.52 - Step 6: Final answer
x = 2,828,820,117.51
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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.