Home / 879,170,570.70-1,213,257,774.89-482,719,238.88

Finding the Fourth Proportional to 879,170,570.70, 1,213,257,774.89 and 482,719,238.88

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Solution

The fourth proportional to 879,170,570.70, 1,213,257,774.89 and 482,719,238.88 is: 666,153,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,170,570.70 : 1,213,257,774.89 = 482,719,238.88 : x
  2. Step 2: Convert to fraction form
    879,170,570.70/1,213,257,774.89 = 482,719,238.88/x
  3. Step 3: Cross multiply
    879,170,570.70x = 1,213,257,774.89 × 482,719,238.88
  4. Step 4: Simplify right side
    879,170,570.70x = 585,662,869,661,349,888
  5. Step 5: Solve for x
    x = 585,662,869,661,349,888/879,170,570.70
  6. Step 6: Final answer
    x = 666,153,860.44

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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.