Finding the Fourth Proportional to 3,779,146,587.60, 5,668,719,881.40 and 2,119,350,056.40
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Solution
The fourth proportional to 3,779,146,587.60, 5,668,719,881.40 and 2,119,350,056.40 is: 3,179,025,084.60
Step by Step Solution
- Step 1: Write the proportion equation
3,779,146,587.60 : 5,668,719,881.40 = 2,119,350,056.40 : x - Step 2: Convert to fraction form
3,779,146,587.60/5,668,719,881.40 = 2,119,350,056.40/x - Step 3: Cross multiply
3,779,146,587.60x = 5,668,719,881.40 × 2,119,350,056.40 - Step 4: Simplify right side
3,779,146,587.60x = 12,014,001,800,360,890,368 - Step 5: Solve for x
x = 12,014,001,800,360,890,368/3,779,146,587.60 - Step 6: Final answer
x = 3,179,025,084.60
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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.