Finding the Fourth Proportional to 476,416,268.70, 714,624,403.05 and 355,483,916.70
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Solution
The fourth proportional to 476,416,268.70, 714,624,403.05 and 355,483,916.70 is: 533,225,875.05
Step by Step Solution
- Step 1: Write the proportion equation
476,416,268.70 : 714,624,403.05 = 355,483,916.70 : x - Step 2: Convert to fraction form
476,416,268.70/714,624,403.05 = 355,483,916.70/x - Step 3: Cross multiply
476,416,268.70x = 714,624,403.05 × 355,483,916.70 - Step 4: Simplify right side
476,416,268.70x = 254,037,481,765,613,408 - Step 5: Solve for x
x = 254,037,481,765,613,408/476,416,268.70 - Step 6: Final answer
x = 533,225,875.05
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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.