Home / 3,188,652,020.40-4,782,978,030.60-890,937,332.40

Finding the Fourth Proportional to 3,188,652,020.40, 4,782,978,030.60 and 890,937,332.40

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Solution

The fourth proportional to 3,188,652,020.40, 4,782,978,030.60 and 890,937,332.40 is: 1,336,405,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,652,020.40 : 4,782,978,030.60 = 890,937,332.40 : x
  2. Step 2: Convert to fraction form
    3,188,652,020.40/4,782,978,030.60 = 890,937,332.40/x
  3. Step 3: Cross multiply
    3,188,652,020.40x = 4,782,978,030.60 × 890,937,332.40
  4. Step 4: Simplify right side
    3,188,652,020.40x = 4,261,333,687,510,569,984
  5. Step 5: Solve for x
    x = 4,261,333,687,510,569,984/3,188,652,020.40
  6. Step 6: Final answer
    x = 1,336,405,998.60

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1.5x scale

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.