Finding the Fourth Proportional to 348,885,969.68, 481,465,866.96 and 192,258,681.80
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Solution
The fourth proportional to 348,885,969.68, 481,465,866.96 and 192,258,681.80 is: 265,318,760.16
Step by Step Solution
- Step 1: Write the proportion equation
348,885,969.68 : 481,465,866.96 = 192,258,681.80 : x - Step 2: Convert to fraction form
348,885,969.68/481,465,866.96 = 192,258,681.80/x - Step 3: Cross multiply
348,885,969.68x = 481,465,866.96 × 192,258,681.80 - Step 4: Simplify right side
348,885,969.68x = 92,565,992,913,423,776 - Step 5: Solve for x
x = 92,565,992,913,423,776/348,885,969.68 - Step 6: Final answer
x = 265,318,760.16
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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.