Home / 943,406,660.28-1,301,959,438.26-520,019,366.60

Finding the Fourth Proportional to 943,406,660.28, 1,301,959,438.26 and 520,019,366.60

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Solution

The fourth proportional to 943,406,660.28, 1,301,959,438.26 and 520,019,366.60 is: 717,658,832.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,406,660.28 : 1,301,959,438.26 = 520,019,366.60 : x
  2. Step 2: Convert to fraction form
    943,406,660.28/1,301,959,438.26 = 520,019,366.60/x
  3. Step 3: Cross multiply
    943,406,660.28x = 1,301,959,438.26 × 520,019,366.60
  4. Step 4: Simplify right side
    943,406,660.28x = 677,044,122,422,857,088
  5. Step 5: Solve for x
    x = 677,044,122,422,857,088/943,406,660.28
  6. Step 6: Final answer
    x = 717,658,832.54

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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.