Finding the Fourth Proportional to 663,896,273.60, 930,815,272 and 663,896,273.60
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Solution
The fourth proportional to 663,896,273.60, 930,815,272 and 663,896,273.60 is: 930,815,272
Step by Step Solution
- Step 1: Write the proportion equation
663,896,273.60 : 930,815,272 = 663,896,273.60 : x - Step 2: Convert to fraction form
663,896,273.60/930,815,272 = 663,896,273.60/x - Step 3: Cross multiply
663,896,273.60x = 930,815,272 × 663,896,273.60 - Step 4: Simplify right side
663,896,273.60x = 617,964,790,490,770,432 - Step 5: Solve for x
x = 617,964,790,490,770,432/663,896,273.60 - Step 6: Final answer
x = 930,815,272
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.