Home / 879,170,618.34-1,213,257,840.60-482,719,286.52

Finding the Fourth Proportional to 879,170,618.34, 1,213,257,840.60 and 482,719,286.52

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Solution

The fourth proportional to 879,170,618.34, 1,213,257,840.60 and 482,719,286.52 is: 666,153,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,170,618.34 : 1,213,257,840.60 = 482,719,286.52 : x
  2. Step 2: Convert to fraction form
    879,170,618.34/1,213,257,840.60 = 482,719,286.52/x
  3. Step 3: Cross multiply
    879,170,618.34x = 1,213,257,840.60 × 482,719,286.52
  4. Step 4: Simplify right side
    879,170,618.34x = 585,662,959,179,227,776
  5. Step 5: Solve for x
    x = 585,662,959,179,227,776/879,170,618.34
  6. Step 6: Final answer
    x = 666,153,926.17

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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.