Finding the Fourth Proportional to 1,700,220,120.90, 2,550,330,181.35 and 1,119,744,831.30
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Solution
The fourth proportional to 1,700,220,120.90, 2,550,330,181.35 and 1,119,744,831.30 is: 1,679,617,246.95
Step by Step Solution
- Step 1: Write the proportion equation
1,700,220,120.90 : 2,550,330,181.35 = 1,119,744,831.30 : x - Step 2: Convert to fraction form
1,700,220,120.90/2,550,330,181.35 = 1,119,744,831.30/x - Step 3: Cross multiply
1,700,220,120.90x = 2,550,330,181.35 × 1,119,744,831.30 - Step 4: Simplify right side
1,700,220,120.90x = 2,855,719,038,675,054,080 - Step 5: Solve for x
x = 2,855,719,038,675,054,080/1,700,220,120.90 - Step 6: Final answer
x = 1,679,617,246.95
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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.