Finding the Fourth Proportional to 664,848,047.70, 997,272,071.55 and 655,778,121.30
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Solution
The fourth proportional to 664,848,047.70, 997,272,071.55 and 655,778,121.30 is: 983,667,181.95
Step by Step Solution
- Step 1: Write the proportion equation
664,848,047.70 : 997,272,071.55 = 655,778,121.30 : x - Step 2: Convert to fraction form
664,848,047.70/997,272,071.55 = 655,778,121.30/x - Step 3: Cross multiply
664,848,047.70x = 997,272,071.55 × 655,778,121.30 - Step 4: Simplify right side
664,848,047.70x = 653,989,205,506,018,048 - Step 5: Solve for x
x = 653,989,205,506,018,048/664,848,047.70 - Step 6: Final answer
x = 983,667,181.95
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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.