Home / 484,477,390.40-726,716,085.60-450,040,013.60

Finding the Fourth Proportional to 484,477,390.40, 726,716,085.60 and 450,040,013.60

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Solution

The fourth proportional to 484,477,390.40, 726,716,085.60 and 450,040,013.60 is: 675,060,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,477,390.40 : 726,716,085.60 = 450,040,013.60 : x
  2. Step 2: Convert to fraction form
    484,477,390.40/726,716,085.60 = 450,040,013.60/x
  3. Step 3: Cross multiply
    484,477,390.40x = 726,716,085.60 × 450,040,013.60
  4. Step 4: Simplify right side
    484,477,390.40x = 327,051,317,046,762,816
  5. Step 5: Solve for x
    x = 327,051,317,046,762,816/484,477,390.40
  6. Step 6: Final answer
    x = 675,060,020.40

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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.