Finding the Fourth Proportional to 734,888,946.90, 1,102,333,420.35 and 490,000,934.10
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Solution
The fourth proportional to 734,888,946.90, 1,102,333,420.35 and 490,000,934.10 is: 735,001,401.15
Step by Step Solution
- Step 1: Write the proportion equation
734,888,946.90 : 1,102,333,420.35 = 490,000,934.10 : x - Step 2: Convert to fraction form
734,888,946.90/1,102,333,420.35 = 490,000,934.10/x - Step 3: Cross multiply
734,888,946.90x = 1,102,333,420.35 × 490,000,934.10 - Step 4: Simplify right side
734,888,946.90x = 540,144,405,661,147,904 - Step 5: Solve for x
x = 540,144,405,661,147,904/734,888,946.90 - Step 6: Final answer
x = 735,001,401.15
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Double scale
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Similar ratio
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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.