Finding the Fourth Proportional to 470,529,493.08, 649,327,117 and 258,831,776.80
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Solution
The fourth proportional to 470,529,493.08, 649,327,117 and 258,831,776.80 is: 357,185,880.78
Step by Step Solution
- Step 1: Write the proportion equation
470,529,493.08 : 649,327,117 = 258,831,776.80 : x - Step 2: Convert to fraction form
470,529,493.08/649,327,117 = 258,831,776.80/x - Step 3: Cross multiply
470,529,493.08x = 649,327,117 × 258,831,776.80 - Step 4: Simplify right side
470,529,493.08x = 168,066,491,417,531,488 - Step 5: Solve for x
x = 168,066,491,417,531,488/470,529,493.08 - Step 6: Final answer
x = 357,185,880.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.