Finding the Fourth Proportional to 561,864,373.81, 841,117,396.69 and 339,863,871.13
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Solution
The fourth proportional to 561,864,373.81, 841,117,396.69 and 339,863,871.13 is: 508,780,103.95
Step by Step Solution
- Step 1: Write the proportion equation
561,864,373.81 : 841,117,396.69 = 339,863,871.13 : x - Step 2: Convert to fraction form
561,864,373.81/841,117,396.69 = 339,863,871.13/x - Step 3: Cross multiply
561,864,373.81x = 841,117,396.69 × 339,863,871.13 - Step 4: Simplify right side
561,864,373.81x = 285,865,414,512,173,280 - Step 5: Solve for x
x = 285,865,414,512,173,280/561,864,373.81 - Step 6: Final answer
x = 508,780,103.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.