Finding the Fourth Proportional to 982,002,798.19, 1,473,198,243.01 and 360,223,803.81
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Solution
The fourth proportional to 982,002,798.19, 1,473,198,243.01 and 360,223,803.81 is: 540,406,886.66
Step by Step Solution
- Step 1: Write the proportion equation
982,002,798.19 : 1,473,198,243.01 = 360,223,803.81 : x - Step 2: Convert to fraction form
982,002,798.19/1,473,198,243.01 = 360,223,803.81/x - Step 3: Cross multiply
982,002,798.19x = 1,473,198,243.01 × 360,223,803.81 - Step 4: Simplify right side
982,002,798.19x = 530,681,074,854,103,872 - Step 5: Solve for x
x = 530,681,074,854,103,872/982,002,798.19 - Step 6: Final answer
x = 540,406,886.66
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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.