Finding the Fourth Proportional to 4,964,746,522.90, 7,447,119,784.35 and 2,201,442,279.70
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Solution
The fourth proportional to 4,964,746,522.90, 7,447,119,784.35 and 2,201,442,279.70 is: 3,302,163,419.55
Step by Step Solution
- Step 1: Write the proportion equation
4,964,746,522.90 : 7,447,119,784.35 = 2,201,442,279.70 : x - Step 2: Convert to fraction form
4,964,746,522.90/7,447,119,784.35 = 2,201,442,279.70/x - Step 3: Cross multiply
4,964,746,522.90x = 7,447,119,784.35 × 2,201,442,279.70 - Step 4: Simplify right side
4,964,746,522.90x = 16,394,404,355,258,435,584 - Step 5: Solve for x
x = 16,394,404,355,258,435,584/4,964,746,522.90 - Step 6: Final answer
x = 3,302,163,419.55
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Double scale
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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.