Home / 990,582,771.80-1,485,874,157.70-560,601,075.80

Finding the Fourth Proportional to 990,582,771.80, 1,485,874,157.70 and 560,601,075.80

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Solution

The fourth proportional to 990,582,771.80, 1,485,874,157.70 and 560,601,075.80 is: 840,901,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,582,771.80 : 1,485,874,157.70 = 560,601,075.80 : x
  2. Step 2: Convert to fraction form
    990,582,771.80/1,485,874,157.70 = 560,601,075.80/x
  3. Step 3: Cross multiply
    990,582,771.80x = 1,485,874,157.70 × 560,601,075.80
  4. Step 4: Simplify right side
    990,582,771.80x = 832,982,651,310,038,784
  5. Step 5: Solve for x
    x = 832,982,651,310,038,784/990,582,771.80
  6. Step 6: Final answer
    x = 840,901,613.70

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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.