Finding the Fourth Proportional to 516,922,645.76, 713,357,807.04 and 281,974,350.08
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Solution
The fourth proportional to 516,922,645.76, 713,357,807.04 and 281,974,350.08 is: 389,127,088.29
Step by Step Solution
- Step 1: Write the proportion equation
516,922,645.76 : 713,357,807.04 = 281,974,350.08 : x - Step 2: Convert to fraction form
516,922,645.76/713,357,807.04 = 281,974,350.08/x - Step 3: Cross multiply
516,922,645.76x = 713,357,807.04 × 281,974,350.08 - Step 4: Simplify right side
516,922,645.76x = 201,148,604,014,598,016 - Step 5: Solve for x
x = 201,148,604,014,598,016/516,922,645.76 - Step 6: Final answer
x = 389,127,088.29
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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.