Finding the Fourth Proportional to 459,664,309.70, 689,496,464.55 and 402,268,681.70
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Solution
The fourth proportional to 459,664,309.70, 689,496,464.55 and 402,268,681.70 is: 603,403,022.55
Step by Step Solution
- Step 1: Write the proportion equation
459,664,309.70 : 689,496,464.55 = 402,268,681.70 : x - Step 2: Convert to fraction form
459,664,309.70/689,496,464.55 = 402,268,681.70/x - Step 3: Cross multiply
459,664,309.70x = 689,496,464.55 × 402,268,681.70 - Step 4: Simplify right side
459,664,309.70x = 277,362,833,831,339,264 - Step 5: Solve for x
x = 277,362,833,831,339,264/459,664,309.70 - Step 6: Final answer
x = 603,403,022.55
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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.