Home / 10,389,051,767.80-14,336,507,348.20-5,631,225,490.75

Finding the Fourth Proportional to 10,389,051,767.80, 14,336,507,348.20 and 5,631,225,490.75

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Solution

The fourth proportional to 10,389,051,767.80, 14,336,507,348.20 and 5,631,225,490.75 is: 7,770,882,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,051,767.80 : 14,336,507,348.20 = 5,631,225,490.75 : x
  2. Step 2: Convert to fraction form
    10,389,051,767.80/14,336,507,348.20 = 5,631,225,490.75/x
  3. Step 3: Cross multiply
    10,389,051,767.80x = 14,336,507,348.20 × 5,631,225,490.75
  4. Step 4: Simplify right side
    10,389,051,767.80x = 80,732,105,627,480,375,296
  5. Step 5: Solve for x
    x = 80,732,105,627,480,375,296/10,389,051,767.80
  6. Step 6: Final answer
    x = 7,770,882,986.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.