Home / 1,107,218,140.60-1,660,827,210.90-646,919,375.80

Finding the Fourth Proportional to 1,107,218,140.60, 1,660,827,210.90 and 646,919,375.80

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Solution

The fourth proportional to 1,107,218,140.60, 1,660,827,210.90 and 646,919,375.80 is: 970,379,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,218,140.60 : 1,660,827,210.90 = 646,919,375.80 : x
  2. Step 2: Convert to fraction form
    1,107,218,140.60/1,660,827,210.90 = 646,919,375.80/x
  3. Step 3: Cross multiply
    1,107,218,140.60x = 1,660,827,210.90 × 646,919,375.80
  4. Step 4: Simplify right side
    1,107,218,140.60x = 1,074,421,302,587,082,880
  5. Step 5: Solve for x
    x = 1,074,421,302,587,082,880/1,107,218,140.60
  6. Step 6: Final answer
    x = 970,379,063.70

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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.