Finding the Fourth Proportional to 664,848,045.45, 997,272,068.18 and 655,778,119.05
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Solution
The fourth proportional to 664,848,045.45, 997,272,068.18 and 655,778,119.05 is: 983,667,178.58
Step by Step Solution
- Step 1: Write the proportion equation
664,848,045.45 : 997,272,068.18 = 655,778,119.05 : x - Step 2: Convert to fraction form
664,848,045.45/997,272,068.18 = 655,778,119.05/x - Step 3: Cross multiply
664,848,045.45x = 997,272,068.18 × 655,778,119.05 - Step 4: Simplify right side
664,848,045.45x = 653,989,201,048,904,832 - Step 5: Solve for x
x = 653,989,201,048,904,832/664,848,045.45 - Step 6: Final answer
x = 983,667,178.58
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Similar ratio
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1.5x scale
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.