Home / 486,036,754.12-670,730,720.58-266,020,180.12

Finding the Fourth Proportional to 486,036,754.12, 670,730,720.58 and 266,020,180.12

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Solution

The fourth proportional to 486,036,754.12, 670,730,720.58 and 266,020,180.12 is: 367,107,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,036,754.12 : 670,730,720.58 = 266,020,180.12 : x
  2. Step 2: Convert to fraction form
    486,036,754.12/670,730,720.58 = 266,020,180.12/x
  3. Step 3: Cross multiply
    486,036,754.12x = 670,730,720.58 × 266,020,180.12
  4. Step 4: Simplify right side
    486,036,754.12x = 178,427,907,100,708,992
  5. Step 5: Solve for x
    x = 178,427,907,100,708,992/486,036,754.12
  6. Step 6: Final answer
    x = 367,107,848.51

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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.