Finding the Fourth Proportional to 435,246,441.05, 652,265,645.76 and 198,316,938.87
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Solution
The fourth proportional to 435,246,441.05, 652,265,645.76 and 198,316,938.87 is: 297,200,192.80
Step by Step Solution
- Step 1: Write the proportion equation
435,246,441.05 : 652,265,645.76 = 198,316,938.87 : x - Step 2: Convert to fraction form
435,246,441.05/652,265,645.76 = 198,316,938.87/x - Step 3: Cross multiply
435,246,441.05x = 652,265,645.76 × 198,316,938.87 - Step 4: Simplify right side
435,246,441.05x = 129,355,326,195,583,952 - Step 5: Solve for x
x = 129,355,326,195,583,952/435,246,441.05 - Step 6: Final answer
x = 297,200,192.80
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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.