Home / 792,288,534.40-1,188,432,801.60-383,386,019.20

Finding the Fourth Proportional to 792,288,534.40, 1,188,432,801.60 and 383,386,019.20

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Solution

The fourth proportional to 792,288,534.40, 1,188,432,801.60 and 383,386,019.20 is: 575,079,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,288,534.40 : 1,188,432,801.60 = 383,386,019.20 : x
  2. Step 2: Convert to fraction form
    792,288,534.40/1,188,432,801.60 = 383,386,019.20/x
  3. Step 3: Cross multiply
    792,288,534.40x = 1,188,432,801.60 × 383,386,019.20
  4. Step 4: Simplify right side
    792,288,534.40x = 455,628,520,892,127,360
  5. Step 5: Solve for x
    x = 455,628,520,892,127,360/792,288,534.40
  6. Step 6: Final answer
    x = 575,079,028.80

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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.