Home / 1,293,274,247.54-1,784,719,177.72-698,558,729.18

Finding the Fourth Proportional to 1,293,274,247.54, 1,784,719,177.72 and 698,558,729.18

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Solution

The fourth proportional to 1,293,274,247.54, 1,784,719,177.72 and 698,558,729.18 is: 964,011,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,274,247.54 : 1,784,719,177.72 = 698,558,729.18 : x
  2. Step 2: Convert to fraction form
    1,293,274,247.54/1,784,719,177.72 = 698,558,729.18/x
  3. Step 3: Cross multiply
    1,293,274,247.54x = 1,784,719,177.72 × 698,558,729.18
  4. Step 4: Simplify right side
    1,293,274,247.54x = 1,246,731,160,731,257,600
  5. Step 5: Solve for x
    x = 1,246,731,160,731,257,600/1,293,274,247.54
  6. Step 6: Final answer
    x = 964,011,433.08

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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.