Finding the Fourth Proportional to 498,258,412.20, 747,387,618.30 and 473,316,114.60
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Solution
The fourth proportional to 498,258,412.20, 747,387,618.30 and 473,316,114.60 is: 709,974,171.90
Step by Step Solution
- Step 1: Write the proportion equation
498,258,412.20 : 747,387,618.30 = 473,316,114.60 : x - Step 2: Convert to fraction form
498,258,412.20/747,387,618.30 = 473,316,114.60/x - Step 3: Cross multiply
498,258,412.20x = 747,387,618.30 × 473,316,114.60 - Step 4: Simplify right side
498,258,412.20x = 353,750,603,593,903,872 - Step 5: Solve for x
x = 353,750,603,593,903,872/498,258,412.20 - Step 6: Final answer
x = 709,974,171.90
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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.