Home / 879,170,597.33-1,213,257,811.64-482,719,265.51

Finding the Fourth Proportional to 879,170,597.33, 1,213,257,811.64 and 482,719,265.51

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Solution

The fourth proportional to 879,170,597.33, 1,213,257,811.64 and 482,719,265.51 is: 666,153,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,170,597.33 : 1,213,257,811.64 = 482,719,265.51 : x
  2. Step 2: Convert to fraction form
    879,170,597.33/1,213,257,811.64 = 482,719,265.51/x
  3. Step 3: Cross multiply
    879,170,597.33x = 1,213,257,811.64 × 482,719,265.51
  4. Step 4: Simplify right side
    879,170,597.33x = 585,662,919,700,650,880
  5. Step 5: Solve for x
    x = 585,662,919,700,650,880/879,170,597.33
  6. Step 6: Final answer
    x = 666,153,897.19

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Double scale
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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.