Finding the Fourth Proportional to 698,775,485.76, 1,048,125,437.28 and 214,102,693.44
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Solution
The fourth proportional to 698,775,485.76, 1,048,125,437.28 and 214,102,693.44 is: 321,142,461.00
Step by Step Solution
- Step 1: Write the proportion equation
698,775,485.76 : 1,048,125,437.28 = 214,102,693.44 : x - Step 2: Convert to fraction form
698,775,485.76/1,048,125,437.28 = 214,102,693.44/x - Step 3: Cross multiply
698,775,485.76x = 1,048,125,437.28 × 214,102,693.44 - Step 4: Simplify right side
698,775,485.76x = 224,406,479,184,625,792 - Step 5: Solve for x
x = 224,406,479,184,625,792/698,775,485.76 - Step 6: Final answer
x = 321,142,461.00
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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.