Home / 362,488,768.40-542,837,357.40-240,660,621.20

Finding the Fourth Proportional to 362,488,768.40, 542,837,357.40 and 240,660,621.20

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Solution

The fourth proportional to 362,488,768.40, 542,837,357.40 and 240,660,621.20 is: 360,396,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,488,768.40 : 542,837,357.40 = 240,660,621.20 : x
  2. Step 2: Convert to fraction form
    362,488,768.40/542,837,357.40 = 240,660,621.20/x
  3. Step 3: Cross multiply
    362,488,768.40x = 542,837,357.40 × 240,660,621.20
  4. Step 4: Simplify right side
    362,488,768.40x = 130,639,575,642,450,400
  5. Step 5: Solve for x
    x = 130,639,575,642,450,400/362,488,768.40
  6. Step 6: Final answer
    x = 360,396,202.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.