Finding the Fourth Proportional to 651,475,269.40, 977,354,621.70 and 214,701,626.20
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Solution
The fourth proportional to 651,475,269.40, 977,354,621.70 and 214,701,626.20 is: 322,099,144.06
Step by Step Solution
- Step 1: Write the proportion equation
651,475,269.40 : 977,354,621.70 = 214,701,626.20 : x - Step 2: Convert to fraction form
651,475,269.40/977,354,621.70 = 214,701,626.20/x - Step 3: Cross multiply
651,475,269.40x = 977,354,621.70 × 214,701,626.20 - Step 4: Simplify right side
651,475,269.40x = 209,839,626,653,075,808 - Step 5: Solve for x
x = 209,839,626,653,075,808/651,475,269.40 - Step 6: Final answer
x = 322,099,144.06
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1.5x scale
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.