Finding the Fourth Proportional to 651,629,937.20, 977,444,905.80 and 651,629,937.20
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Solution
The fourth proportional to 651,629,937.20, 977,444,905.80 and 651,629,937.20 is: 977,444,905.80
Step by Step Solution
- Step 1: Write the proportion equation
651,629,937.20 : 977,444,905.80 = 651,629,937.20 : x - Step 2: Convert to fraction form
651,629,937.20/977,444,905.80 = 651,629,937.20/x - Step 3: Cross multiply
651,629,937.20x = 977,444,905.80 × 651,629,937.20 - Step 4: Simplify right side
651,629,937.20x = 636,932,362,582,913,920 - Step 5: Solve for x
x = 636,932,362,582,913,920/651,629,937.20 - Step 6: Final answer
x = 977,444,905.80
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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.