Finding the Fourth Proportional to 698,121,263.08, 963,410,263.14 and 384,848,600.68
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Solution
The fourth proportional to 698,121,263.08, 963,410,263.14 and 384,848,600.68 is: 531,092,678.68
Step by Step Solution
- Step 1: Write the proportion equation
698,121,263.08 : 963,410,263.14 = 384,848,600.68 : x - Step 2: Convert to fraction form
698,121,263.08/963,410,263.14 = 384,848,600.68/x - Step 3: Cross multiply
698,121,263.08x = 963,410,263.14 × 384,848,600.68 - Step 4: Simplify right side
698,121,263.08x = 370,767,091,650,179,584 - Step 5: Solve for x
x = 370,767,091,650,179,584/698,121,263.08 - Step 6: Final answer
x = 531,092,678.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.